diff --git a/tools/common/tree-sitter-hyperscript/README.md b/tools/common/tree-sitter-hyperscript/README.md
new file mode 100644
index 000000000..0ec1fc085
--- /dev/null
+++ b/tools/common/tree-sitter-hyperscript/README.md
@@ -0,0 +1,9 @@
+# Tree-sitter
+
+## TODO
+
+If anybody wants to help out, here are some things that can be done:
+
+- [ ] Make the grammar smaller (use `parser.c` size as a metric)
+- [ ] Review and improve tests (especially for the new version and edge cases)
+- [ ] Update the grammar to the latest version (if there are any changes)
diff --git a/tools/common/tree-sitter-hyperscript/grammar.js b/tools/common/tree-sitter-hyperscript/grammar.js
index 96145eac4..85e80c03c 100644
--- a/tools/common/tree-sitter-hyperscript/grammar.js
+++ b/tools/common/tree-sitter-hyperscript/grammar.js
@@ -1,122 +1,1118 @@
 /**
- * Tree-sitter grammar for _hyperscript.
- *
- * Highlighting-focused: identifies token types for correct coloring
- * without trying to fully parse the language structure.
- * The real parser (IIFE via LSP/GraalVM) handles structural parsing.
+ * @file A scripting language for the web
+ * @author tanomartinoli <ignamartinoli@proton.me>
+ * @license MIT
  */
+
+/// <reference types="tree-sitter-cli/dsl" />
+// @ts-check
+
+const PREC = {
+	OR: 1,
+	COMPARE: 2,
+	MATH: 3,
+	UNARY: 4,
+	MEMBER: 5,
+	POSTFIX: 6,
+};
+
 module.exports = grammar({
-  name: 'hyperscript',
-
-  extras: $ => [/\s/],
-
-  rules: {
-    program: $ => repeat($._token),
-
-    _token: $ => choice(
-      $.comment,
-      $.string,
-      $.template_string,
-      $.number,
-      $.boolean,
-      $.css_class,
-      $.css_id,
-      $.css_selector,
-      $.attribute_ref,
-      $.style_ref,
-      $.feature_keyword,
-      $.command_keyword,
-      $.control_keyword,
-      $.modifier,
-      $.type_name,
-      $.operator,
-      $.punctuation,
-      $.identifier,
-    ),
-
-    // Comments
-    comment: $ => choice(
-      seq('--', /[^\n]*/),
-      seq('/*', /[^*]*\*+([^/*][^*]*\*+)*/, '/'),
-    ),
-
-    // Strings
-    string: $ => choice(
-      seq("'", optional(/[^'\\]*(\\.?[^'\\]*)*/), "'"),
-      seq('"', optional(/[^"\\]*(\\.?[^"\\]*)*/), '"'),
-    ),
-
-    template_string: $ => seq('`', repeat(choice(
-      /[^`\\$]+/,
-      /\\./,
-      seq('${', /[^}]*/, '}'),
-      seq('$', /[a-zA-Z_]\w*/),
-    )), '`'),
-
-    // Numbers (with optional time suffixes)
-    number: $ => /\d+(\.\d+)?(ms|s|milliseconds|seconds)?/,
-
-    // Booleans and null
-    boolean: $ => choice('true', 'false', 'null'),
-
-    // CSS references
-    css_class: $ => token(seq('.', /[a-zA-Z][a-zA-Z0-9_\-$]*/)),
-    css_id: $ => token(seq('#', /[a-zA-Z][a-zA-Z0-9_\-$]*/)),
-    css_selector: $ => token(seq('<', /[a-zA-Z][^>]*/, '/>')),
-    attribute_ref: $ => token(seq('@', /[a-zA-Z][a-zA-Z0-9_\-]*/)),
-    style_ref: $ => token(seq('*', /[a-zA-Z][a-zA-Z0-9_\-]*/)),
-
-    // Feature keywords
-    feature_keyword: $ => choice(
-      'on', 'def', 'init', 'behavior', 'install', 'js', 'worker',
-      'eventsource', 'socket', 'catch',
-    ),
-
-    // Command keywords
-    command_keyword: $ => choice(
-      'add', 'remove', 'toggle', 'set', 'get', 'put', 'call',
-      'send', 'trigger', 'take', 'log', 'return', 'throw',
-      'fetch', 'go', 'hide', 'show', 'wait', 'halt', 'exit',
-      'tell', 'transition', 'settle', 'make', 'append', 'pick',
-      'default', 'increment', 'decrement', 'measure', 'focus',
-      'blur', 'swap', 'morph', 'open', 'close', 'render',
-      'empty', 'answer', 'ask', 'speak', 'select', 'scroll', 'beep',
-    ),
-
-    // Control flow keywords
-    control_keyword: $ => choice(
-      'if', 'else', 'otherwise', 'then', 'end',
-      'repeat', 'for', 'while', 'until',
-      'break', 'continue', 'async',
-    ),
-
-    // Modifiers (contextual keywords)
-    modifier: $ => choice(
-      'from', 'in', 'to', 'with', 'over', 'into', 'before', 'after',
-      'at', 'is', 'am', 'as', 'and', 'or', 'not', 'no', 'of', 'the',
-      'closest', 'first', 'last', 'next', 'previous', 'random',
-      'when', 'where', 'unless', 'between', 'forever', 'every',
-      'queue', 'debounced', 'throttled', 'elsewhere', 'called',
-      'its', 'my', 'me', 'it', 'I', 'result', 'you', 'your', 'yourself',
-      'by',
-    ),
-
-    // Built-in type names
-    type_name: $ => choice(
-      'String', 'Number', 'Int', 'Float', 'Date', 'Array',
-      'HTML', 'Fragment', 'JSON', 'Object', 'Values', 'Boolean', 'Fixed',
-    ),
-
-    // Operators
-    operator: $ => choice(
-      '+', '-', '/', '%', '=', '==', '===', '!=', '!==',
-      '<=', '>=', '..', '->', '|', '!', '\\',
-    ),
-
-    // Punctuation
-    punctuation: $ => choice('(', ')', '{', '}', '[', ']', ',', ':', ';', '?', '&'),
-
-    // Identifiers (catch-all for unrecognized words)
-    identifier: $ => /[a-zA-Z_$][a-zA-Z0-9_$]*/,
-  },
+	name: "hyperscript",
+
+	externals: ($) => [$.query_literal, $._lt, $._lte, $.class_literal, $.js_body, $._transition_over, $._transition_using, $._feature_on, $._feature_init, $._template_chars, $._attr_query_open, $._possessive_s, $._single_string, $._show_when],
+
+	extras: ($) => [/[ \t\r\f]+/, $.comment],
+
+	word: ($) => $.identifier,
+
+	supertypes: ($) => [$.feature, $.command, $.literal, $.dom_literal],
+
+	conflicts: ($) => [
+		[$.event_predicate, $.special_identifier],
+		[$.command_sequence],
+	],
+
+	rules: {
+		source_file: ($) =>
+			seq(
+				repeat($._sep),
+				optional(choice(prec(1, $.feature_script), $.command_script)),
+			),
+
+		feature_script: ($) => $.feature_sequence,
+		command_script: ($) => $.command_sequence_top,
+
+		_sep: (_) => token(/(?:[;\n][ \t\r\f]*)+/),
+
+		_cmd_sep: ($) => choice("then", $._sep),
+
+		feature_sequence: ($) =>
+			prec.right(
+				seq(
+					$.feature,
+					repeat(
+						choice(
+							alias($._behavior_on_feature, $.on_feature),
+							alias($._behavior_init_feature, $.init_feature),
+							seq($._sep, $.feature),
+						),
+					),
+					optional($._sep),
+				),
+			),
+
+		command_sequence_top: ($) =>
+			prec.right(
+				seq(
+					$.command_statement,
+					repeat(seq(repeat1($._cmd_sep), $.command_statement)),
+					optional($._cmd_sep),
+				),
+			),
+
+		feature: ($) =>
+			choice(
+				$.on_feature,
+				$.init_feature,
+				$.def_feature,
+				$.behavior_feature,
+				$.eventsource_feature,
+				$.socket_feature,
+				$.worker_feature,
+			),
+
+		on_feature: ($) =>
+			prec.right(
+				seq(
+					choice("on", alias($._feature_on, "on")),
+					field("events", $.event_spec),
+					field("body", $.feature_body),
+					optional(field("catch", $.catch_block)),
+					optional(field("finally", $.finally_block)),
+					optional("end"),
+				),
+			),
+
+		init_feature: ($) =>
+			prec.right(
+				seq(
+					choice("init", alias($._feature_init, "init")),
+					optional("immediately"),
+					field("body", $.feature_body),
+					optional("end"),
+				),
+			),
+
+		feature_body: ($) => seq(repeat($._cmd_sep), $.command_sequence),
+
+		def_feature: ($) =>
+			seq(
+				"def",
+				field("name", choice($.dotted_identifier, $.identifier)),
+				optional(field("params", $.param_list)),
+				field("body", $.feature_body),
+				optional(field("catch", $.catch_block)),
+				optional(field("finally", $.finally_block)),
+				"end",
+			),
+
+		catch_block: ($) =>
+			seq(
+				"catch",
+				field("error", $.identifier),
+				field("body", $.feature_body),
+			),
+
+		finally_block: ($) =>
+			seq(
+				"finally",
+				field("body", $.feature_body),
+			),
+
+		behavior_feature: ($) =>
+			seq(
+				"behavior",
+				field("name", $.identifier),
+				optional(field("params", $.param_list)),
+				field("body", $.behavior_body),
+				optional($._sep),
+				"end",
+			),
+
+		behavior_body: ($) =>
+			repeat1(
+				choice(
+					alias($._behavior_on_feature, $.on_feature),
+					alias($._behavior_init_feature, $.init_feature),
+				),
+			),
+
+		_behavior_on_feature: ($) =>
+			prec.right(
+				seq(
+					alias($._feature_on, "on"),
+					field("events", $.event_spec),
+					field("body", $.feature_body),
+					optional(field("catch", $.catch_block)),
+					optional(field("finally", $.finally_block)),
+					optional("end"),
+				),
+			),
+
+		_behavior_init_feature: ($) =>
+			prec.right(
+				seq(
+					alias($._feature_init, "init"),
+					optional("immediately"),
+					field("body", $.feature_body),
+					optional("end"),
+				),
+			),
+
+		eventsource_feature: ($) =>
+			seq(
+				"eventsource",
+				field("name", $.identifier),
+				optional(
+					seq("from", field("url", choice($.naked_string, $.string, $.identifier))),
+				),
+				repeat(field("handler", $.event_handler)),
+				optional($._sep),
+				"end",
+			),
+
+		socket_feature: ($) =>
+			seq(
+				"socket",
+				field("name", $.identifier),
+				field("url", choice($.naked_string, $.string, $.identifier)),
+				optional(
+					seq("with", "timeout", field("timeout", $.time_literal)),
+				),
+				repeat(field("handler", $.event_handler)),
+				optional($._sep),
+				"end",
+			),
+
+		event_handler: ($) =>
+			prec.right(
+				seq(
+					alias($._feature_on, "on"),
+					field("event", $.event_name),
+					optional(seq("as", field("encoding", $.identifier))),
+					field("body", $.feature_body),
+					optional("end"),
+				),
+			),
+
+		worker_feature: ($) =>
+			seq(
+				"worker",
+				field("name", $.identifier),
+				optional(field("scripts", $.argument_list)),
+				repeat(
+					seq(repeat1($._sep), field("member", choice($.def_feature, $.js_command))),
+				),
+				optional($._sep),
+				"end",
+			),
+
+		command_sequence: ($) =>
+			prec.right(
+				seq(
+					$.command_statement,
+					repeat(seq(repeat1($._cmd_sep), $.command_statement)),
+					optional($._cmd_sep),
+				),
+			),
+
+		command_statement: ($) =>
+			prec.right(
+				seq(
+					choice($.async_command, $.if_statement, $.repeat_statement, $.command),
+					optional(seq("unless", field("unless", $.expression))),
+				),
+			),
+
+		async_command: ($) =>
+			seq("async", choice($.if_statement, $.repeat_statement, $.command)),
+
+		event_predicate: ($) =>
+			seq(
+				"event",
+				field("event", $._postfix),
+				optional(seq("from", field("source", $.expression))),
+			),
+
+		event_spec: ($) =>
+			seq(
+				field("event", $.event_binding),
+				repeat(seq("or", field("event", $.event_binding))),
+				optional(
+					seq("queue", field("queue", choice("all", "first", "last", "none"))),
+				),
+			),
+
+		event_binding: ($) =>
+			seq(
+				optional("every"),
+				field("name", $.event_name),
+				optional(field("params", $.param_list)),
+				optional(field("filter", $.filter_clause)),
+				optional(seq("of", field("of", $.dom_literal))),
+				optional(field("count", $.count_filter)),
+				optional(seq("from", field("source", $.expression))),
+				optional(seq("in", field("in", $.expression))),
+				optional(field("rate_limit", $.rate_limit)),
+				optional(field("having", $.having_clause)),
+			),
+
+		event_name: ($) =>
+			choice($.dotted_identifier, $.colon_identifier, $.identifier, $.string),
+
+		colon_identifier: ($) =>
+			seq($.identifier, repeat1(seq(":", $.identifier))),
+
+		dotted_identifier: ($) =>
+			seq($.identifier, repeat1(seq(".", $.identifier))),
+
+		param_list: ($) =>
+			seq(
+				"(",
+				optional(seq($.identifier, repeat(seq(",", $.identifier)))),
+				")",
+			),
+
+		filter_clause: ($) => seq("[", $.expression, "]"),
+
+		count_filter: ($) =>
+			choice(
+				$.number,
+				seq($.number, "to", $.number),
+				seq($.number, "and", "on"),
+			),
+
+		rate_limit: ($) =>
+			seq(choice("debounced", "throttled"), "at", $.duration),
+
+		having_clause: ($) =>
+			seq(
+				"having",
+				field("property", $.identifier),
+				field("value", $.expression),
+			),
+
+		if_statement: ($) =>
+			prec.right(
+				seq(
+					"if",
+					field("condition", $.expression),
+					repeat($._cmd_sep),
+					field("consequence", $.command_sequence),
+					repeat(field("else_if", $.else_if_clause)),
+					optional(field("alternative", $.else_clause)),
+					optional("end"),
+				),
+			),
+
+		else_if_clause: ($) =>
+			prec(1,
+				seq(
+					"else",
+					"if",
+					field("condition", $.expression),
+					repeat($._cmd_sep),
+					field("consequence", $.command_sequence),
+				),
+			),
+
+		else_clause: ($) =>
+			seq(
+				choice("else", "otherwise"),
+				repeat($._cmd_sep),
+				field("alternative", $.command_sequence),
+			),
+
+		repeat_statement: ($) =>
+			choice(
+				seq(
+					"repeat",
+					optional(field("clause", $.repeat_clause)),
+					repeat1($._cmd_sep),
+					field("body", $.command_sequence),
+					"end",
+				),
+				seq(
+					"for",
+					field("variable", $.identifier),
+					"in",
+					field("iterable", $.expression),
+					optional(field("index", $.repeat_index)),
+					repeat1($._cmd_sep),
+					field("body", $.command_sequence),
+					"end",
+				),
+			),
+
+		repeat_clause: ($) =>
+			choice(
+				seq("forever", optional(field("index", $.repeat_index))),
+				seq(
+					"while",
+					field("condition", choice($.event_predicate, $.expression)),
+					optional(field("index", $.repeat_index)),
+				),
+				seq(
+					"until",
+					field("condition", choice($.event_predicate, $.expression)),
+					optional(field("index", $.repeat_index)),
+				),
+				seq(
+					"for",
+					field("variable", $.identifier),
+					"in",
+					field("iterable", $.expression),
+					optional(field("index", $.repeat_index)),
+				),
+				seq(
+					"in",
+					field("iterable", $.expression),
+					optional(field("index", $.repeat_index)),
+				),
+				seq(
+					field("times", $.number),
+					"times",
+					optional(field("index", $.repeat_index)),
+				),
+			),
+
+		repeat_index: ($) => seq("index", field("name", $.identifier)),
+
+		command: ($) =>
+			choice(
+				$.js_command,
+				$.set_command,
+				$.put_command,
+				$.add_command,
+				$.remove_command,
+				$.toggle_command,
+				$.tell_command,
+				$.hide_command,
+				$.show_command,
+				$.make_command,
+				$.call_command,
+				$.settle_command,
+				$.wait_command,
+				$.send_command,
+				$.return_command,
+				$.throw_command,
+				$.halt_command,
+				$.break_command,
+				$.continue_command,
+				$.transition_command,
+				$.fetch_command,
+				$.log_command,
+				$.beep_command,
+				$.install_command,
+				$.invocation_command,
+				$.generic_command,
+			),
+
+		beep_command: ($) =>
+			seq("beep", token.immediate("!"), optional(field("value", $.expression))),
+
+		install_command: ($) =>
+			seq(
+				"install",
+				field("behavior", choice($.dotted_identifier, $.identifier)),
+				optional(field("args", $.named_argument_list)),
+			),
+
+		named_argument_list: ($) =>
+			seq(
+				"(",
+				optional(
+					seq(
+						$.named_argument,
+						repeat(seq(",", $.named_argument)),
+					),
+				),
+				")",
+			),
+
+		named_argument: ($) =>
+			seq(
+				field("name", $.identifier),
+				":",
+				field("value", $.expression),
+			),
+
+		js_command: ($) =>
+			seq(
+				"js",
+				optional(field("params", $.param_list)),
+				field("body", $.js_body),
+				"end",
+			),
+
+		set_command: ($) =>
+			choice(
+				seq(
+					"set",
+					optional($.scope_modifier),
+					field("target", $.expression),
+					"to",
+					field("value", $.expression),
+				),
+				seq(
+					"set",
+					field("value", $.object_literal),
+					"on",
+					field("target", $.expression),
+				),
+			),
+
+		scope_modifier: (_) => choice("global", "element", "local"),
+
+		put_command: ($) =>
+			prec.right(
+				PREC.POSTFIX + 1,
+				seq(
+					"put",
+					field("value", $.expression),
+					field("position", choice(
+						"into",
+						"in",
+						"before",
+						"after",
+						seq("at", optional("the"), "start", "of"),
+						seq("at", optional("the"), "end", "of"),
+					)),
+					field("target", $.expression),
+				),
+			),
+
+		_dom_list_item: ($) =>
+			choice(
+				$.class_literal,
+				$.id_literal,
+				$.attribute_literal,
+				$.query_literal,
+				$.attribute_query_literal,
+				$.style_property,
+			),
+
+		add_command: ($) =>
+			seq(
+				"add",
+				field("what", $.expression),
+				repeat(field("what", $._dom_list_item)),
+				optional(seq("to", field("target", $.expression))),
+				optional(seq("where", field("where", $.expression))),
+			),
+
+		remove_command: ($) =>
+			seq(
+				"remove",
+				field("what", $.expression),
+				repeat(field("what", $._dom_list_item)),
+				optional(seq("from", field("target", $.expression))),
+			),
+
+		toggle_command: ($) =>
+			seq(
+				"toggle",
+				choice(
+					seq("between", field("from", $._compare), "and", field("to", $._compare)),
+					field("what", $.expression),
+				),
+				optional(seq(choice("on", "in"), field("target", $.expression))),
+				optional(choice(
+					seq("for", field("duration", $.time_literal)),
+					seq("until", field("until_event", $.event_name),
+						optional(seq("from", field("until_source", $.expression)))),
+				)),
+			),
+
+		hide_command: ($) => seq("hide", optional($._visibility_command_body)),
+		show_command: ($) => seq("show", optional($._visibility_command_body)),
+
+		_visibility_command_body: ($) =>
+			choice(
+				seq(
+					field("target", $.expression),
+					optional(seq("in", field("in", $.expression))),
+					optional(seq(alias($._show_when, "when"), field("when", $.expression))),
+					optional(seq("with", field("strategy", $.expression))),
+				),
+				seq(
+					seq("in", field("in", $.expression)),
+					optional(seq(alias($._show_when, "when"), field("when", $.expression))),
+					optional(seq("with", field("strategy", $.expression))),
+				),
+				seq(
+					seq(alias($._show_when, "when"), field("when", $.expression)),
+					optional(seq("with", field("strategy", $.expression))),
+				),
+				seq("with", field("strategy", $.expression)),
+			),
+
+		make_command: ($) =>
+			seq(
+				"make",
+				optional(choice("a", "an")),
+				field("type", choice($.identifier, $.query_literal)),
+				optional(
+					seq(
+						choice("from", "with"),
+						field("args", seq($.expression, repeat(seq(",", $.expression)))),
+					),
+				),
+				optional(seq("called", field("name", $.identifier))),
+			),
+
+		call_command: ($) => seq(choice("call", "get"), field("fn", $.expression)),
+
+		tell_command: ($) =>
+			prec.right(
+				seq(
+					"tell",
+					field("target", $.expression),
+					repeat($._cmd_sep),
+					field("body", $.command_sequence),
+					optional("end"),
+				),
+			),
+
+		settle_command: (_) => "settle",
+
+		wait_command: ($) =>
+			seq(
+				"wait",
+				choice(
+					field("time", $.time_literal),
+					seq(
+						"for",
+						field("event", $.wait_event),
+						repeat(seq("or", field("event", $.wait_event))),
+						optional(seq("or", field("timeout", $.time_literal))),
+					),
+				),
+			),
+
+		wait_event: ($) =>
+			seq(
+				optional(choice("a", "an", "the")),
+				optional("event"),
+				field("name", $.event_name),
+				optional(seq("from", field("source", $.expression))),
+			),
+
+		send_command: ($) =>
+			seq(
+				choice("send", "trigger"),
+				field("event", $.event_name),
+				optional(field("args", $.named_argument_list)),
+				optional(
+					seq(choice("to", "on"), field("target", $.expression)),
+				),
+			),
+
+		fetch_command: ($) =>
+			seq(
+				"fetch",
+				field("url", choice($.naked_string, $.string, $.backtick_string)),
+				optional(seq("as", optional(choice("a", "an")),
+					field("as", choice(
+						alias("json", $.identifier),
+						alias("Object", $.identifier),
+						alias("html", $.identifier),
+						alias("response", $.identifier),
+						$.identifier,
+					)))),
+				optional(choice(
+					field("options", $.object_literal),
+					seq("with", field("options", $.fetch_options)),
+				)),
+			),
+
+		fetch_options: ($) =>
+			seq(
+				$.named_argument,
+				repeat(seq(",", $.named_argument)),
+			),
+
+		log_command: ($) =>
+			seq(
+				"log",
+				optional(
+					seq(
+						field("value", $.expression),
+						repeat(seq(",", field("value", $.expression))),
+						optional(seq("with", field("logger", $.expression))),
+					),
+				),
+			),
+
+		return_command: ($) => seq("return", optional($.expression)),
+		throw_command: ($) => seq("throw", $.expression),
+
+		halt_command: ($) =>
+			seq("halt", optional(choice("a", "an")), optional($.expression)),
+
+		break_command: (_) => "break",
+		continue_command: (_) => "continue",
+
+		invocation_command: ($) =>
+			prec(
+				1,
+				seq(
+					field("callee", $.identifier),
+					field("args", $.argument_list),
+					optional(
+						seq(
+							optional(
+								field(
+									"prep",
+									choice("to", "on", "with", "into", "from", "at"),
+								),
+							),
+							field("receiver", $.expression),
+						),
+					),
+				),
+			),
+
+		generic_command: ($) =>
+			prec.right(
+				-1,
+				seq(
+					field("name", $.identifier),
+					repeat1(field("arg", $._primary_no_parens)),
+				),
+			),
+
+		_primary_no_parens: ($) =>
+			choice(
+				$.literal,
+				$.special_identifier,
+				$.identifier,
+				$.dom_literal,
+				$._keyword_as_arg,
+			),
+
+		_keyword_as_arg: (_) =>
+			choice(
+				"to", "from", "the", "a", "an", "of", "on", "in", "at", "with",
+				"into", "before", "after", "as", "for",
+
+				"match",
+			),
+
+		transition_command: ($) =>
+			seq(
+				"transition",
+				optional(field("target", choice("my", "its", "the"))),
+				choice(
+					$.transition_inline,
+					seq($._sep, field("body", $.transition_block)),
+				),
+			),
+
+		transition_inline: ($) =>
+			seq(
+				field("property", $.style_property_name),
+				optional(seq("from", field("from", $.expression))),
+				"to",
+				field("to", $.expression),
+				optional(
+					choice(
+						seq("over", field("duration", $.expression)),
+						seq("using", field("using", $.expression)),
+					),
+				),
+			),
+
+		transition_block: ($) =>
+			seq(
+				field("property", $.style_property_name),
+				$._sep,
+				optional(seq("from", field("from", $.expression), $._sep)),
+				"to",
+				field("to", $.expression),
+				optional(
+					choice(
+						seq(alias($._transition_over, "over"), field("duration", $.expression)),
+						seq(alias($._transition_using, "using"), field("using", $.expression)),
+					),
+				),
+			),
+
+		style_property_name: ($) => choice($.style_property, $.identifier),
+		style_property: (_) => token(seq("*", /[A-Za-z_-][A-Za-z0-9_-]*/)),
+
+		expression: ($) => $._logical,
+
+		_logical: ($) => choice($.logical_expression, $._compare),
+
+		logical_expression: ($) =>
+			prec.left(
+				PREC.OR,
+				seq($._compare, field("operator", choice("or", "and")), $._compare),
+			),
+
+		_compare: ($) => choice($.comparison_expression, $.not_exists_expression, $._math),
+
+		comparison_expression: ($) =>
+			prec.left(
+				PREC.COMPARE,
+				seq(
+					$._math,
+					field("operator", $.comparison_operator),
+					$._math,
+				),
+			),
+
+		comparison_operator: ($) =>
+			prec.right(
+				choice(
+					"==",
+					"!=",
+					"===",
+					alias($._lt, "<"),
+					alias($._lte, "<="),
+					">",
+					">=",
+					prec(2, seq("is", "greater", "than", "or", "equal", "to")),
+					prec(2, seq("is", "less", "than", "or", "equal", "to")),
+					prec(1, seq("is", "greater", "than")),
+					prec(1, seq("is", "less", "than")),
+					prec(1, seq("is", "equal", "to")),
+					prec(1, seq("is", "not", "equal", "to")),
+					prec(1, seq("is", "really", "equal", "to")),
+					prec(1, seq("is", "not", "really", "equal", "to")),
+					prec(1, seq("is", choice("a", "an"))),
+					prec(1, seq("is", "not", choice("a", "an"))),
+					prec(1, seq("is", "in")),
+					seq("is", optional("not")),
+					seq("am", optional("not")),
+					"equals",
+					seq("really", "equals"),
+					"matches",
+					"match",
+					"contains",
+					"contain",
+					"includes",
+					seq(choice("do", "does"), "not", choice("match", "contain", "include")),
+				),
+			),
+
+		not_exists_expression: ($) =>
+			prec.left(
+				PREC.COMPARE,
+				seq($._math, choice("does", "do"), "not", "exist"),
+			),
+
+		_math: ($) => choice($.math_expression, $._unary),
+
+		math_expression: ($) =>
+			prec.left(
+				PREC.MATH,
+				seq($._math, field("operator", choice("+", "-", "*", "/", "mod")), $._unary),
+			),
+
+		_unary: ($) => choice($.unary_expression, $.block_literal, $._of),
+
+		unary_expression: ($) =>
+			choice(
+				prec(PREC.UNARY, seq(field("operator", "beep"), token.immediate("!"), $._unary)),
+				prec(PREC.UNARY, seq(field("operator", choice("not", "no", "!", "-", "+", "async")), $._unary)),
+			),
+
+		_of: ($) => choice($.of_expression, $._postfix),
+
+		of_expression: ($) =>
+			prec.left(
+				PREC.POSTFIX,
+				seq(field("property", $._postfix), "of", field("owner", $._postfix)),
+			),
+
+		_postfix: ($) =>
+			prec.left(
+				PREC.POSTFIX,
+				seq(
+					$._primary,
+					repeat(
+						choice(
+							$.member_access,
+							$.attr_access,
+							$.index_access,
+							field("args", $.argument_list),
+							$.as_expression,
+							$.in_expression,
+							$.exists_expression,
+							$.possessive_access,
+						),
+					),
+				),
+			),
+
+		member_access: ($) =>
+			prec.left(PREC.MEMBER, seq(token.immediate("."), field("property", $.identifier))),
+
+		attr_access: ($) =>
+			prec.left(PREC.MEMBER, seq("@", field("attribute", $.attribute_name))),
+
+		index_access: ($) =>
+			prec.left(
+				PREC.MEMBER,
+				seq(token.immediate("["), field("index", $.expression), "]"),
+			),
+
+		as_expression: ($) =>
+			prec.left(PREC.MEMBER, seq("as", optional(choice("a", "an")), field("type", $.identifier))),
+
+		in_expression: ($) =>
+			prec.left(PREC.MEMBER, seq("in", field("context", $._primary))),
+
+		exists_expression: (_) => prec.left(PREC.MEMBER, "exists"),
+
+		possessive_access: ($) =>
+			prec.left(
+				PREC.MEMBER,
+				seq(
+					alias($._possessive_s, "'s"),
+					choice(
+						field("property", $.identifier),
+						seq("@", field("attribute", $.attribute_name)),
+						seq("attribute", field("attribute", $.string_like)),
+					),
+				),
+			),
+
+		_primary: ($) =>
+			choice(
+				$.literal,
+				$.special_identifier,
+				$.identifier,
+				$.dom_literal,
+				$.pronoun_possessive_primary,
+				$.parenthesized_expression,
+				$.the_expression,
+				$.closest_expression,
+				$.positional_expression,
+				$.object_literal,
+				$.array_literal,
+			),
+
+		parenthesized_expression: ($) => seq("(", $.expression, ")"),
+
+		the_expression: ($) =>
+			seq(
+				"the",
+				choice(
+					$.closest_expression,
+					$.positional_expression,
+					prec.right(seq(
+						field("modifier", choice("next", "previous")),
+						field("value", choice($.identifier, $.special_identifier, $.dom_literal)),
+						optional(seq("from", field("from", $.expression))),
+						optional(seq("within", field("within", $.expression))),
+						optional(seq("with", "wrapping")),
+					)),
+					field("value", $.parenthesized_expression),
+					field(
+						"value",
+						choice($.identifier, $.special_identifier, $.dom_literal),
+					),
+				),
+			),
+
+		closest_expression: ($) =>
+			seq(
+				"closest",
+				optional("parent"),
+				field("value", $.dom_literal),
+			),
+
+		positional_expression: ($) =>
+			seq(
+				choice("first", "last", "random"),
+				choice(
+					alias($._positional_in, $.in_expression),
+					seq(
+						optional(choice("of", "from")),
+						choice($.identifier, $.special_identifier, $.dom_literal),
+					),
+				),
+			),
+
+		_positional_in: ($) =>
+			seq("in", choice($.identifier, $.special_identifier, $.dom_literal)),
+
+		pronoun_possessive_primary: ($) =>
+			prec.right(
+				seq(
+					field("pronoun", choice("my", "its", "your")),
+					choice(
+						seq(
+							field("property", choice($.identifier, $.style_property)),
+							repeat(seq(token.immediate("."), field("property", $.identifier))),
+						),
+						seq(
+							token.immediate("."),
+							field("property", $.identifier),
+							repeat(seq(token.immediate("."), field("property", $.identifier))),
+						),
+					),
+				),
+			),
+
+		block_literal: ($) =>
+			seq(
+				"\\",
+				optional(
+					seq(
+						field("param", $.identifier),
+						repeat(seq(",", field("param", $.identifier))),
+					),
+				),
+				"->",
+				field("body", $.expression),
+			),
+
+		argument_list: ($) =>
+			seq(
+				"(",
+				optional(seq($.expression, repeat(seq(",", $.expression)))),
+				")",
+			),
+
+		object_literal: ($) =>
+			seq(
+				"{",
+				optional(
+					seq($.object_pair, repeat(seq(",", $.object_pair)), optional(",")),
+				),
+				"}",
+			),
+
+		object_pair: ($) =>
+			seq(
+				field("key", choice($.identifier, $.hyphenated_identifier, $.string, $.computed_key)),
+				":",
+				field("value", $.expression),
+			),
+
+		hyphenated_identifier: (_) =>
+			token(seq(/[A-Za-z_]/, repeat(/[A-Za-z0-9_]/), repeat1(seq("-", repeat1(/[A-Za-z0-9_]/))))),
+
+		computed_key: ($) => seq("[", $.expression, "]"),
+
+		array_literal: ($) =>
+			seq(
+				"[",
+				optional(
+					seq($.expression, repeat(seq(",", $.expression)), optional(",")),
+				),
+				"]",
+			),
+
+		dom_literal: ($) =>
+			choice(
+				$.class_literal,
+				$.id_literal,
+				$.query_literal,
+				$.attribute_literal,
+				$.attribute_query_literal,
+				$.style_property,
+				$.templated_id_literal,
+				$.templated_class_literal,
+			),
+
+		id_literal: (_) => token(seq("#", /[A-Za-z_][A-Za-z0-9_-]*/)),
+
+		templated_id_literal: ($) =>
+			seq(token(prec(1, "#{")), field("value", $.expression), "}"),
+
+		templated_class_literal: ($) =>
+			seq(token(prec(1, ".{")), field("value", $.expression), "}"),
+
+		attribute_name: (_) => /[A-Za-z_][A-Za-z0-9_-]*/,
+
+		attribute_literal: (_) => token(seq("@", /[A-Za-z_][A-Za-z0-9_-]*/)),
+
+		attribute_query_literal: ($) =>
+			seq(
+				$._attr_query_open,
+				field("name", $.attribute_name),
+				optional(
+					seq(
+						choice("=", "==", "!=", "is", seq("is", "not")),
+						field("value", $.expression),
+					),
+				),
+				"]",
+			),
+
+		identifier: (_) => token(prec(-1, /[A-Za-z_:$][A-Za-z0-9_$]*/)),
+
+		special_identifier: (_) =>
+			choice("it", "result", "me", "you", "yourself", "I", "event"),
+
+		time_literal: ($) => choice($.duration, $.number),
+
+		literal: ($) =>
+			choice(
+				$.duration,
+				$.css_measurement,
+				$.number,
+				$.string,
+				$.backtick_string,
+				$.boolean,
+				$.null,
+				$.empty_value,
+				$.naked_string,
+			),
+
+		duration: ($) => choice(
+			token(/\d+(?:\.\d+)?(?:ms|s)/),
+			seq($.number, choice("milliseconds", "seconds")),
+		),
+		css_measurement: (_) => token(/\d+(?:\.\d+)?(?:px|em|rem|vh|vw|pt|cm|mm|ch|ex|%)/),
+		number: (_) => token(choice(/\d+\.\d+/, /\d+/)),
+
+		string: ($) =>
+			choice(
+				token(seq('"', repeat(choice(/[^"\\\n]/, /\\./)), '"')),
+				$._single_string,
+			),
+
+		backtick_string: ($) =>
+			seq(
+				"`",
+				repeat(
+					choice(
+						$._template_chars,
+						$.template_substitution,
+					),
+				),
+				"`",
+			),
+
+		template_substitution: ($) =>
+			seq(alias("${", $.interpolation_start), $.expression, alias("}", $.interpolation_end)),
+
+		naked_string: (_) =>
+			token(choice(/\/[^\s)]+/, /(?:https?|wss?):\/\/[^\s)]+/)),
+
+		string_like: ($) =>
+			choice($.string, $.backtick_string, $.naked_string, $.identifier),
+
+		boolean: (_) => choice("true", "false"),
+		null: (_) => "null",
+		empty_value: (_) => "empty",
+
+		comment: (_) => token(seq("--", /[^\n]*/)),
+	},
 });
diff --git a/tools/common/tree-sitter-hyperscript/hyperscript.so b/tools/common/tree-sitter-hyperscript/hyperscript.so
new file mode 100755
index 000000000..dafc2b580
Binary files /dev/null and b/tools/common/tree-sitter-hyperscript/hyperscript.so differ
diff --git a/tools/common/tree-sitter-hyperscript/queries/highlights.scm b/tools/common/tree-sitter-hyperscript/queries/highlights.scm
index eb4ec62de..2c519f166 100644
--- a/tools/common/tree-sitter-hyperscript/queries/highlights.scm
+++ b/tools/common/tree-sitter-hyperscript/queries/highlights.scm
@@ -1,45 +1,249 @@
-; Feature keywords (bold in most themes)
-(feature_keyword) @keyword
+(comment) @comment
 
-; Command keywords
-(command_keyword) @keyword
+(toggle_command "on" @keyword.operator)
+(send_command "on" @keyword.operator)
+(invocation_command "on" @keyword.operator)
 
-; Control flow
-(control_keyword) @keyword
+(toggle_command "for" @keyword.operator)
 
-; Modifiers (contextual keywords - slightly muted)
-(modifier) @keyword.modifier
+(repeat_statement "in" @keyword.repeat)
+(repeat_clause "in" @keyword.repeat)
 
-; Type names
-(type_name) @type.builtin
+"on" @keyword
+"init" @keyword
+"def" @keyword.function
+"behavior" @keyword
+"eventsource" @keyword
+"socket" @keyword
+"worker" @keyword
+"end" @keyword
 
-; Strings
-(string) @string
-(template_string) @string
+(def_feature
+  name: (identifier) @function)
+(def_feature
+  name: (dotted_identifier) @function)
+(behavior_feature
+  name: (identifier) @type)
+(eventsource_feature
+  name: (identifier) @type)
+(socket_feature
+  name: (identifier) @type)
+(worker_feature
+  name: (identifier) @type)
+(install_command
+  behavior: (identifier) @type)
+(install_command
+  behavior: (dotted_identifier) @type)
+(make_command
+  type: (identifier) @type)
+
+"set" @keyword
+"put" @keyword
+"add" @keyword
+"remove" @keyword
+"toggle" @keyword
+"call" @keyword
+"get" @keyword
+"send" @keyword
+"trigger" @keyword
+"fetch" @keyword
+"log" @keyword
+"install" @keyword
+"hide" @keyword
+"show" @keyword
+"make" @keyword
+"tell" @keyword
+"transition" @keyword
+"halt" @keyword
+"wait" @keyword
+"js" @keyword
+"beep" @keyword
+"async" @keyword
+(settle_command) @keyword
+(break_command) @keyword
+(continue_command) @keyword
+
+(generic_command
+  name: (identifier) @keyword)
+
+"if" @keyword.conditional
+"else" @keyword.conditional
+"otherwise" @keyword.conditional
+"then" @keyword.conditional
+"unless" @keyword.conditional
+"when" @keyword.conditional
+
+"repeat" @keyword.repeat
+"for" @keyword.repeat
+"while" @keyword.repeat
+"until" @keyword.repeat
+"forever" @keyword.repeat
+"times" @keyword.repeat
+
+"return" @keyword.return
+"throw" @keyword.exception
+"catch" @keyword.exception
+"finally" @keyword
+
+"and" @keyword.operator
+"or" @keyword.operator
+"not" @keyword.operator
+"no" @keyword.operator
+"is" @keyword.operator
+"am" @keyword.operator
+"match" @keyword.operator
+"matches" @keyword.operator
+"contain" @keyword.operator
+"contains" @keyword.operator
+"includes" @keyword.operator
+"equals" @keyword.operator
+"really" @keyword.operator
+"do" @keyword.operator
+"does" @keyword.operator
+"mod" @keyword.operator
+"greater" @keyword.operator
+"less" @keyword.operator
+"than" @keyword.operator
+"equal" @keyword.operator
+(exists_expression) @keyword.operator
+
+"+" @operator
+"-" @operator
+"*" @operator
+"/" @operator
+"=" @operator
+"==" @operator
+"!=" @operator
+"<" @operator
+"<=" @operator
+">" @operator
+">=" @operator
+"!" @operator
+
+"to" @keyword.operator
+"from" @keyword.operator
+"into" @keyword.operator
+(put_command "in" @keyword.operator)
+"before" @keyword.operator
+"after" @keyword.operator
+"at" @keyword.operator
+"in" @keyword.operator
+"of" @keyword.operator
+"with" @keyword.operator
+"between" @keyword.operator
+"over" @keyword.operator
+"using" @keyword.operator
+"as" @keyword.operator
+"start" @keyword.operator
+
+"a" @keyword
+"an" @keyword
+
+"every" @keyword
+"queue" @keyword
+"debounced" @keyword
+"throttled" @keyword
+"having" @keyword
+
+"immediately" @keyword
+"index" @keyword
+"timeout" @keyword
+"all" @keyword
+"none" @keyword
+
+"global" @keyword
+"element" @keyword
+"local" @keyword
+
+(fetch_command
+  as: (identifier) @type)
+
+(as_expression
+  type: (identifier) @type)
+(event_handler
+  encoding: (identifier) @type)
+
+(special_identifier) @variable.builtin
+
+(pronoun_possessive_primary
+  pronoun: _ @variable.builtin)
+"the" @keyword
+"closest" @keyword
+"parent" @keyword
+"first" @keyword
+"last" @keyword
+"next" @keyword
+"previous" @keyword
 
-; Numbers
 (number) @number
+(duration) @number
+(css_measurement) @number
+(boolean) @boolean
+(null) @constant.builtin
+(empty_value) @constant.builtin
+(string) @string
+(backtick_string) @string
+(interpolation_start) @punctuation.special
+(interpolation_end) @punctuation.special
+(naked_string) @string.special
 
-; Booleans and null
-(boolean) @constant.builtin
+(class_literal) @tag
+(id_literal) @tag
+(query_literal) @tag
+(attribute_literal) @attribute
+(style_property) @property
+(templated_id_literal) @tag
+(templated_class_literal) @tag
+(attribute_query_literal
+  name: (attribute_name) @attribute)
 
-; Comments
-(comment) @comment
+(js_body) @string.special
+
+(named_argument
+  name: (identifier) @property)
+(object_pair
+  key: (identifier) @property)
+(object_pair
+  key: (hyphenated_identifier) @property)
+(member_access
+  property: (identifier) @property)
+(attr_access
+  attribute: (attribute_name) @attribute)
+(possessive_access
+  property: (identifier) @property)
+(possessive_access
+  "attribute" @keyword)
+(of_expression
+  property: (the_expression
+    value: (identifier) @property))
+(of_expression
+  property: (identifier) @property)
 
-; CSS references
-(css_class) @tag
-(css_id) @tag
-(css_selector) @tag
+(event_binding
+  name: (event_name) @string.special)
+(event_handler
+  event: (event_name) @string.special)
 
-; Attribute and style references
-(attribute_ref) @attribute
-(style_ref) @attribute
+(param_list
+  (identifier) @variable.parameter)
 
-; Operators
-(operator) @operator
+(expression
+  (identifier) @function.call
+  (argument_list))
+(invocation_command
+  callee: (identifier) @function.call)
 
-; Punctuation
-(punctuation) @punctuation.bracket
+"(" @punctuation.bracket
+")" @punctuation.bracket
+"[" @punctuation.bracket
+"]" @punctuation.bracket
+"{" @punctuation.bracket
+"}" @punctuation.bracket
 
-; Identifiers
-(identifier) @variable
+"," @punctuation.delimiter
+"." @punctuation.delimiter
+":" @punctuation.delimiter
+"@" @punctuation.delimiter
+"'s" @punctuation.delimiter
+"\\" @punctuation.delimiter
+"->" @punctuation.delimiter
diff --git a/tools/common/tree-sitter-hyperscript/queries/indents.scm b/tools/common/tree-sitter-hyperscript/queries/indents.scm
new file mode 100644
index 000000000..925b0b40d
--- /dev/null
+++ b/tools/common/tree-sitter-hyperscript/queries/indents.scm
@@ -0,0 +1,21 @@
+(on_feature) @indent.begin
+(init_feature) @indent.begin
+(def_feature) @indent.begin
+(behavior_feature) @indent.begin
+(eventsource_feature) @indent.begin
+(socket_feature) @indent.begin
+(worker_feature) @indent.begin
+
+(event_handler) @indent.begin
+
+(if_statement) @indent.begin
+(repeat_statement) @indent.begin
+
+(else_if_clause) @indent.branch
+(else_clause) @indent.branch
+(catch_block) @indent.branch
+(finally_block) @indent.branch
+
+(js_command) @indent.begin
+
+"end" @indent.branch @indent.end
diff --git a/tools/common/tree-sitter-hyperscript/queries/injections.scm b/tools/common/tree-sitter-hyperscript/queries/injections.scm
index 8a929cbed..d621ce0bd 100644
--- a/tools/common/tree-sitter-hyperscript/queries/injections.scm
+++ b/tools/common/tree-sitter-hyperscript/queries/injections.scm
@@ -1,19 +1,2 @@
-; Inject hyperscript into HTML attributes: _="...", hs="...", data-hs="..."
-; This file is used by editors (Neovim, Helix, Zed) that support Tree-sitter injections.
-; The actual injection configuration depends on the HTML tree-sitter grammar.
-
-; For use with tree-sitter-html, add to your html injections.scm:
-; ((attribute
-;   (attribute_name) @_attr
-;   (quoted_attribute_value (attribute_value) @injection.content))
-;  (#any-of? @_attr "_" "hs" "data-hs")
-;  (#set! injection.language "hyperscript"))
-;
-; ((script_element
-;   (start_tag (attribute
-;     (attribute_name) @_type
-;     (quoted_attribute_value (attribute_value) @_val))
-;   (#eq? @_type "type")
-;   (#eq? @_val "text/hyperscript"))
-;   (raw_text) @injection.content)
-;  (#set! injection.language "hyperscript"))
+((js_body) @injection.content
+  (#set! injection.language "javascript"))
diff --git a/tools/common/tree-sitter-hyperscript/test/corpus/00_smoke.txt b/tools/common/tree-sitter-hyperscript/test/corpus/00_smoke.txt
new file mode 100644
index 000000000..2ea03b76c
--- /dev/null
+++ b/tools/common/tree-sitter-hyperscript/test/corpus/00_smoke.txt
@@ -0,0 +1,184 @@
+==================
+empty input
+==================
+
+
+
+---
+
+(source_file)
+
+==================
+semicolons only
+==================
+
+;;
+
+---
+
+(source_file)
+
+==================
+comment (docs: --)
+==================
+
+-- this is a comment
+log "Yep, that was a comment"
+
+---
+
+(source_file
+  (comment)
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (log_command
+          (expression
+            (string)))))))
+
+==================
+blank lines and semicolons
+==================
+
+set x to 1
+
+;
+log x
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (set_command
+          (expression
+            (identifier))
+          (expression
+            (number))))
+      (command_statement
+        (log_command
+          (expression
+            (identifier)))))))
+
+==================
+leading separators
+==================
+
+;
+;set x to 1
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (set_command
+          (expression
+            (identifier))
+          (expression
+            (number)))))))
+
+==================
+multi-feature (on: click + mouseleave)
+==================
+
+on click add .clicked end
+on mouseenter log "entered"
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (on_feature
+        (event_spec
+          (event_binding
+            (event_name
+              (identifier))))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (add_command
+                (expression
+                  (class_literal)))))))
+      (on_feature
+        (event_spec
+          (event_binding
+            (event_name
+              (identifier))))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (log_command
+                (expression
+                  (string))))))))))
+
+==================
+multi-command (docs: set and log)
+==================
+
+set x to 10
+log x
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (set_command
+          (expression
+            (identifier))
+          (expression
+            (number))))
+      (command_statement
+        (log_command
+          (expression
+            (identifier)))))))
+
+==================
+then separator (docs: log then log)
+==================
+
+log "Hello" then log "World"
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (log_command
+          (expression
+            (string))))
+      (command_statement
+        (log_command
+          (expression
+            (string)))))))
+
+==================
+feature with end (docs: on click...end)
+==================
+
+on click
+  log "Clicked!"
+end
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (on_feature
+        (event_spec
+          (event_binding
+            (event_name
+              (identifier))))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (log_command
+                (expression
+                  (string))))))))))
diff --git a/tools/common/tree-sitter-hyperscript/test/corpus/01_features.txt b/tools/common/tree-sitter-hyperscript/test/corpus/01_features.txt
new file mode 100644
index 000000000..0571ab9d8
--- /dev/null
+++ b/tools/common/tree-sitter-hyperscript/test/corpus/01_features.txt
@@ -0,0 +1,1318 @@
+==================
+on click (docs intro: toggle .red on me)
+==================
+
+on click toggle .red on me
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (on_feature
+        (event_spec
+          (event_binding
+            (event_name
+              (identifier))))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (toggle_command
+                (expression
+                  (class_literal))
+                (expression
+                  (special_identifier))))))))))
+
+==================
+on click call alert (on: examples)
+==================
+
+on click call alert('You clicked me!')
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (on_feature
+        (event_spec
+          (event_binding
+            (event_name
+              (identifier))))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (call_command
+                (expression
+                  (identifier)
+                  (argument_list
+                    (expression
+                      (string))))))))))))
+
+==================
+on event with params (on: on anEvent(foo) log foo)
+==================
+
+on anEvent(foo) log foo
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (on_feature
+        (event_spec
+          (event_binding
+            (event_name
+              (identifier))
+            (param_list
+              (identifier))))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (log_command
+                (expression
+                  (identifier))))))))))
+
+==================
+on with from (on: from #inc)
+==================
+
+on click from #inc
+  increment my textContent
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (on_feature
+        (event_spec
+          (event_binding
+            (event_name
+              (identifier))
+            (expression
+              (id_literal))))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (generic_command
+                (identifier)
+                (identifier)
+                (identifier)))))))))
+
+==================
+on every (docs: every modifier)
+==================
+
+on every click add .clicked
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (on_feature
+        (event_spec
+          (event_binding
+            (event_name
+              (identifier))))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (add_command
+                (expression
+                  (class_literal))))))))))
+
+==================
+on with queue all (docs: event queueing)
+==================
+
+on click queue all
+  increment :count
+  wait 1s then put it into the next <output/>
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (on_feature
+        (event_spec
+          (event_binding
+            (event_name
+              (identifier))))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (generic_command
+                (identifier)
+                (identifier)))
+            (command_statement
+              (wait_command
+                (time_literal
+                  (duration))))
+            (command_statement
+              (put_command
+                (expression
+                  (special_identifier))
+                (expression
+                  (the_expression
+                    (query_literal)))))))))))
+
+==================
+on with queue none (docs: queue none)
+==================
+
+on click queue none
+  log 'clicked'
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (on_feature
+        (event_spec
+          (event_binding
+            (event_name
+              (identifier))))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (log_command
+                (expression
+                  (string))))))))))
+
+==================
+on with filter (on: mousedown[button==1])
+==================
+
+on mousedown[button==1] add .clicked
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (on_feature
+        (event_spec
+          (event_binding
+            (event_name
+              (identifier))
+            (filter_clause
+              (expression
+                (comparison_expression
+                  (identifier)
+                  (comparison_operator)
+                  (number))))))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (add_command
+                (expression
+                  (class_literal))))))))))
+
+==================
+on with count (on: on click 1)
+==================
+
+on click 1
+  log 'first click only'
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (on_feature
+        (event_spec
+          (event_binding
+            (event_name
+              (identifier))
+            (count_filter
+              (number))))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (log_command
+                (expression
+                  (string))))))))))
+
+==================
+on with count range (on: on click 2 to 10)
+==================
+
+on click 2 to 10
+  log 'click'
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (on_feature
+        (event_spec
+          (event_binding
+            (event_name
+              (identifier))
+            (count_filter
+              (number)
+              (number))))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (log_command
+                (expression
+                  (string))))))))))
+
+==================
+on with count unbounded (on: 11 and on)
+==================
+
+on click 11 and on
+  log 'click'
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (on_feature
+        (event_spec
+          (event_binding
+            (event_name
+              (identifier))
+            (count_filter
+              (number))))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (log_command
+                (expression
+                  (string))))))))))
+
+==================
+on debounced (on: debounced at 500ms)
+==================
+
+on keyup debounced at 500ms
+  log 'debounced'
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (on_feature
+        (event_spec
+          (event_binding
+            (event_name
+              (identifier))
+            (rate_limit
+              (duration))))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (log_command
+                (expression
+                  (string))))))))))
+
+==================
+on throttled (on: throttled at 500ms)
+==================
+
+on mousemove throttled at 500ms
+  log 'throttled'
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (on_feature
+        (event_spec
+          (event_binding
+            (event_name
+              (identifier))
+            (rate_limit
+              (duration))))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (log_command
+                (expression
+                  (string))))))))))
+
+==================
+on click or touchstart (on: multiple events)
+==================
+
+on click or touchstart
+  fetch /example then put it into my innerHTML
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (on_feature
+        (event_spec
+          (event_binding
+            (event_name
+              (identifier)))
+          (event_binding
+            (event_name
+              (identifier))))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (fetch_command
+                (naked_string)))
+            (command_statement
+              (put_command
+                (expression
+                  (special_identifier))
+                (expression
+                  (pronoun_possessive_primary
+                    (identifier)))))))))))
+
+==================
+on from elsewhere (on: from elsewhere)
+==================
+
+on click from elsewhere
+  remove .active
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (on_feature
+        (event_spec
+          (event_binding
+            (event_name
+              (identifier))
+            (expression
+              (identifier))))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (remove_command
+                (expression
+                  (class_literal))))))))))
+
+==================
+on exception handler (on: exception)
+==================
+
+on click call mightThrow()
+on exception(error) log error
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (on_feature
+        (event_spec
+          (event_binding
+            (event_name
+              (identifier))))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (call_command
+                (expression
+                  (identifier)
+                  (argument_list)))))))
+      (on_feature
+        (event_spec
+          (event_binding
+            (event_name
+              (identifier))
+            (param_list
+              (identifier))))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (log_command
+                (expression
+                  (identifier))))))))))
+
+==================
+on mutation (on: synthetic mutation)
+==================
+
+on mutation of @foo put "Mutated" into me
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (on_feature
+        (event_spec
+          (event_binding
+            (event_name
+              (identifier))
+            (attribute_literal)))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (put_command
+                (expression
+                  (string))
+                (expression
+                  (special_identifier))))))))))
+
+==================
+on intersection (on: synthetic intersection)
+==================
+
+on intersection(intersecting) having threshold 0.5
+  if intersecting transition opacity to 1
+  else transition opacity to 0
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (on_feature
+        (event_spec
+          (event_binding
+            (event_name
+              (identifier))
+            (param_list
+              (identifier))
+            (having_clause
+              (identifier)
+              (expression
+                (number)))))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (if_statement
+                (expression
+                  (identifier))
+                (command_sequence
+                  (command_statement
+                    (transition_command
+                      (transition_inline
+                        (style_property_name
+                          (identifier))
+                        (expression
+                          (number))))))
+                (else_clause
+                  (command_sequence
+                    (command_statement
+                      (transition_command
+                        (transition_inline
+                          (style_property_name
+                            (identifier))
+                          (expression
+                            (number)))))))))))))))
+
+==================
+on mouseenter and mouseleave (on: examples)
+==================
+
+on mouseenter add .visible to #help end
+on mouseleave remove .visible from #help end
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (on_feature
+        (event_spec
+          (event_binding
+            (event_name
+              (identifier))))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (add_command
+                (expression
+                  (class_literal))
+                (expression
+                  (id_literal)))))))
+      (on_feature
+        (event_spec
+          (event_binding
+            (event_name
+              (identifier))))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (remove_command
+                (expression
+                  (class_literal))
+                (expression
+                  (id_literal))))))))))
+
+==================
+on with in modifier (cook: disable all buttons)
+==================
+
+on every htmx:beforeSend in <button:not(.no-disable)/>
+  tell it
+    toggle [@disabled='true'] until htmx:afterOnLoad
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (on_feature
+        (event_spec
+          (event_binding
+            (event_name
+              (colon_identifier
+                (identifier)
+                (identifier)))
+            (expression
+              (query_literal))))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (tell_command
+                (expression
+                  (special_identifier))
+                (command_sequence
+                  (command_statement
+                    (toggle_command
+                      (expression
+                        (attribute_query_literal
+                          (attribute_name)
+                          (expression
+                            (string))))
+                      (event_name
+                        (colon_identifier
+                          (identifier)
+                          (identifier))))))))))))))
+
+==================
+init block (docs: init blocks)
+==================
+
+init transition my opacity to 100% over 3s
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (init_feature
+        (feature_body
+          (command_sequence
+            (command_statement
+              (transition_command
+                (transition_inline
+                  (style_property_name
+                    (identifier))
+                  (expression
+                    (css_measurement))
+                  (expression
+                    (duration)))))))))))
+
+==================
+init remove (on: init remove me)
+==================
+
+on click from #inc
+  increment my textContent
+init
+  remove me
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (on_feature
+        (event_spec
+          (event_binding
+            (event_name
+              (identifier))
+            (expression
+              (id_literal))))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (generic_command
+                (identifier)
+                (identifier)
+                (identifier))))))
+      (init_feature
+        (feature_body
+          (command_sequence
+            (command_statement
+              (remove_command
+                (expression
+                  (special_identifier))))))))))
+
+==================
+def function (docs: functions)
+==================
+
+def waitAndReturn()
+  wait 2s
+  return "I waited..."
+end
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (def_feature
+        (identifier)
+        (param_list)
+        (feature_body
+          (command_sequence
+            (command_statement
+              (wait_command
+                (time_literal
+                  (duration))))
+            (command_statement
+              (return_command
+                (expression
+                  (string))))))))))
+
+==================
+def with params (docs: def increment)
+==================
+
+def increment(i)
+  return i + 1
+end
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (def_feature
+        (identifier)
+        (param_list
+          (identifier))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (return_command
+                (expression
+                  (math_expression
+                    (identifier)
+                    (number)))))))))))
+
+==================
+def namespaced (docs: function namespacing)
+==================
+
+def utils.increment(i)
+  return i + 1
+end
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (def_feature
+        (dotted_identifier
+          (identifier)
+          (identifier))
+        (param_list
+          (identifier))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (return_command
+                (expression
+                  (math_expression
+                    (identifier)
+                    (number)))))))))))
+
+==================
+def with catch (docs: exception handling)
+==================
+
+def example
+  call mightThrowAnException()
+catch e
+  log e
+end
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (def_feature
+        (identifier)
+        (feature_body
+          (command_sequence
+            (command_statement
+              (call_command
+                (expression
+                  (identifier)
+                  (argument_list))))))
+        (catch_block
+          (identifier)
+          (feature_body
+            (command_sequence
+              (command_statement
+                (log_command
+                  (expression
+                    (identifier)))))))))))
+
+==================
+on with finally (docs: finally blocks)
+==================
+
+on click
+  add @disabled to me
+  fetch /example
+  put the result after me
+finally
+  remove @disabled from me
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (on_feature
+        (event_spec
+          (event_binding
+            (event_name
+              (identifier))))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (add_command
+                (expression
+                  (attribute_literal))
+                (expression
+                  (special_identifier))))
+            (command_statement
+              (fetch_command
+                (naked_string)))
+            (command_statement
+              (put_command
+                (expression
+                  (the_expression
+                    (special_identifier)))
+                (expression
+                  (special_identifier))))))
+        (finally_block
+          (feature_body
+            (command_sequence
+              (command_statement
+                (remove_command
+                  (expression
+                    (attribute_literal))
+                  (expression
+                    (special_identifier)))))))))))
+
+==================
+behavior (beh: Removable)
+==================
+
+behavior Removable(removeButton)
+  on click from removeButton
+    remove me
+  end
+end
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (behavior_feature
+        (identifier)
+        (param_list
+          (identifier))
+        (behavior_body
+          (on_feature
+            (event_spec
+              (event_binding
+                (event_name
+                  (identifier))
+                (expression
+                  (identifier))))
+            (feature_body
+              (command_sequence
+                (command_statement
+                  (remove_command
+                    (expression
+                      (special_identifier))))))))))))
+
+==================
+behavior with init (beh: with init guard)
+==================
+
+behavior Removable(removeButton)
+  init
+    if no removeButton set the removeButton to me
+  end
+  on click from removeButton
+    remove me
+  end
+end
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (behavior_feature
+        (identifier)
+        (param_list
+          (identifier))
+        (behavior_body
+          (init_feature
+            (feature_body
+              (command_sequence
+                (command_statement
+                  (if_statement
+                    (expression
+                      (unary_expression
+                        (identifier)))
+                    (command_sequence
+                      (command_statement
+                        (set_command
+                          (expression
+                            (the_expression
+                              (identifier)))
+                          (expression
+                            (special_identifier))))))))))
+          (on_feature
+            (event_spec
+              (event_binding
+                (event_name
+                  (identifier))
+                (expression
+                  (identifier))))
+            (feature_body
+              (command_sequence
+                (command_statement
+                  (remove_command
+                    (expression
+                      (special_identifier))))))))))))
+
+==================
+install behavior (beh: install)
+==================
+
+install Removable(removeButton: #close-banner)
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (install_command
+          (identifier)
+          (named_argument_list
+            (named_argument
+              (identifier)
+              (expression
+                (id_literal)))))))))
+
+==================
+js feature top-level (js-f: function exposure)
+==================
+
+js
+  function regexFind(re, group, str) {
+    return new RegExp(re).exec(str)[group];
+  }
+  return { regexFind };
+end
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (js_command
+          (js_body))))))
+
+==================
+set feature element-scoped (ref: set feature)
+==================
+
+set :count to 0
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (set_command
+          (expression
+            (identifier))
+          (expression
+            (number)))))))
+
+==================
+eventsource (es: ChatUpdates)
+==================
+
+eventsource ChatUpdates from http://myserver.com/chat-updates
+  on newMessage as json
+    log it
+  end
+end
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (eventsource_feature
+        (identifier)
+        (naked_string)
+        (event_handler
+          (event_name
+            (identifier))
+          (identifier)
+          (feature_body
+            (command_sequence
+              (command_statement
+                (log_command
+                  (expression
+                    (special_identifier)))))))))))
+
+==================
+socket (sock: MySocket)
+==================
+
+socket MySocket ws://myserver.com/example
+  on message as json
+    log message
+  end
+end
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (socket_feature
+        (identifier)
+        (naked_string)
+        (event_handler
+          (event_name
+            (identifier))
+          (identifier)
+          (feature_body
+            (command_sequence
+              (command_statement
+                (log_command
+                  (expression
+                    (identifier)))))))))))
+
+==================
+worker (docs: workers)
+==================
+
+worker Incrementer
+  js
+    self.onmessage = function(e) {
+      postMessage(e.data + 1);
+    }
+  end
+end
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (worker_feature
+        (identifier)
+        (js_command
+          (js_body))))))
+
+==================
+combined on features (docs: multiple features)
+==================
+
+on click if true log 'Clicked!'
+on mouseenter log 'Mouse entered!'
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (on_feature
+        (event_spec
+          (event_binding
+            (event_name
+              (identifier))))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (if_statement
+                (expression
+                  (boolean))
+                (command_sequence
+                  (command_statement
+                    (log_command
+                      (expression
+                        (string))))))))))
+      (on_feature
+        (event_spec
+          (event_binding
+            (event_name
+              (identifier))))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (log_command
+                (expression
+                  (string))))))))))
+
+==================
+on with catch (docs: exception handling)
+==================
+
+on click
+  call mightThrowAnException()
+catch e
+  log e
+end
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (on_feature
+        (event_spec
+          (event_binding
+            (event_name
+              (identifier))))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (call_command
+                (expression
+                  (identifier)
+                  (argument_list))))))
+        (catch_block
+          (identifier)
+          (feature_body
+            (command_sequence
+              (command_statement
+                (log_command
+                  (expression
+                    (identifier)))))))))))
+
+==================
+init immediately (init: immediately modifier)
+==================
+
+init immediately
+  log "ready"
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (init_feature
+        (feature_body
+          (command_sequence
+            (command_statement
+              (log_command
+                (expression
+                  (string))))))))))
+
+==================
+def with finally (def: finally block)
+==================
+
+def loadExample ()
+  add @disabled to me
+  fetch /example
+  put the result after me
+finally
+  remove @disabled from me
+end
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (def_feature
+        (identifier)
+        (param_list)
+        (feature_body
+          (command_sequence
+            (command_statement
+              (add_command
+                (expression
+                  (attribute_literal))
+                (expression
+                  (special_identifier))))
+            (command_statement
+              (fetch_command
+                (naked_string)))
+            (command_statement
+              (put_command
+                (expression
+                  (the_expression
+                    (special_identifier)))
+                (expression
+                  (special_identifier))))))
+        (finally_block
+          (feature_body
+            (command_sequence
+              (command_statement
+                (remove_command
+                  (expression
+                    (attribute_literal))
+                  (expression
+                    (special_identifier)))))))))))
+
+==================
+behavior without params (beh: no params)
+==================
+
+behavior Pulsing
+  on click
+    add .pulse
+  end
+end
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (behavior_feature
+        (identifier)
+        (behavior_body
+          (on_feature
+            (event_spec
+              (event_binding
+                (event_name
+                  (identifier))))
+            (feature_body
+              (command_sequence
+                (command_statement
+                  (add_command
+                    (expression
+                      (class_literal))))))))))))
+
+==================
+eventsource multiple handlers (es: two on blocks)
+==================
+
+eventsource ChatUpdates from http://myserver.com/chat-updates
+  on newMessage as json
+    log it
+  end
+
+  on updateMessage as json
+    log it
+  end
+
+end
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (eventsource_feature
+        (identifier)
+        (naked_string)
+        (event_handler
+          (event_name
+            (identifier))
+          (identifier)
+          (feature_body
+            (command_sequence
+              (command_statement
+                (log_command
+                  (expression
+                    (special_identifier)))))))
+        (event_handler
+          (event_name
+            (identifier))
+          (identifier)
+          (feature_body
+            (command_sequence
+              (command_statement
+                (log_command
+                  (expression
+                    (special_identifier)))))))))))
+
+==================
+socket with timeout (sock: with timeout)
+==================
+
+socket MySocket ws://myserver.com/example with timeout 5s
+  on message as json
+    log message
+  end
+end
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (socket_feature
+        (identifier)
+        (naked_string)
+        (time_literal
+          (duration))
+        (event_handler
+          (event_name
+            (identifier))
+          (identifier)
+          (feature_body
+            (command_sequence
+              (command_statement
+                (log_command
+                  (expression
+                    (identifier)))))))))))
+
+==================
+worker with external scripts (work: external scripts)
+==================
+
+worker Miner("/scripts/mine-crypto.js")
+  js
+    var miner = new CryptoMiner();
+    return { miner }
+  end
+end
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (worker_feature
+        (identifier)
+        (argument_list
+          (expression
+            (string)))
+        (js_command
+          (js_body))))))
diff --git a/tools/common/tree-sitter-hyperscript/test/corpus/02_commands.txt b/tools/common/tree-sitter-hyperscript/test/corpus/02_commands.txt
new file mode 100644
index 000000000..ae1a5adac
--- /dev/null
+++ b/tools/common/tree-sitter-hyperscript/test/corpus/02_commands.txt
@@ -0,0 +1,3717 @@
+==================
+add class (add: add .clicked)
+==================
+
+on click add .clicked
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (on_feature
+        (event_spec
+          (event_binding
+            (event_name
+              (identifier))))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (add_command
+                (expression
+                  (class_literal))))))))))
+
+==================
+add class to target (add: add .clicked to #another-div)
+==================
+
+on click add .clicked to #another-div
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (on_feature
+        (event_spec
+          (event_binding
+            (event_name
+              (identifier))))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (add_command
+                (expression
+                  (class_literal))
+                (expression
+                  (id_literal))))))))))
+
+==================
+add attribute (add: add @disabled)
+==================
+
+on click add @disabled
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (on_feature
+        (event_spec
+          (event_binding
+            (event_name
+              (identifier))))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (add_command
+                (expression
+                  (attribute_literal))))))))))
+
+==================
+add multiple classes (docs: add .foo to .bar)
+==================
+
+add .foo to .bar
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (add_command
+          (expression
+            (class_literal))
+          (expression
+            (class_literal)))))))
+
+==================
+remove me (rem: remove me)
+==================
+
+on click remove me
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (on_feature
+        (event_spec
+          (event_binding
+            (event_name
+              (identifier))))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (remove_command
+                (expression
+                  (special_identifier))))))))))
+
+==================
+remove class (rem: remove .not-clicked)
+==================
+
+on click remove .not-clicked
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (on_feature
+        (event_spec
+          (event_binding
+            (event_name
+              (identifier))))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (remove_command
+                (expression
+                  (class_literal))))))))))
+
+==================
+remove class from (rem: remove from #another-div)
+==================
+
+on click remove .not-clacked from #another-div
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (on_feature
+        (event_spec
+          (event_binding
+            (event_name
+              (identifier))))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (remove_command
+                (expression
+                  (class_literal))
+                (expression
+                  (id_literal))))))))))
+
+==================
+remove multiple classes (rem: .foo .bar)
+==================
+
+on click remove .foo .bar from #another-div
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (on_feature
+        (event_spec
+          (event_binding
+            (event_name
+              (identifier))))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (remove_command
+                (expression
+                  (class_literal))
+                (class_literal)
+                (expression
+                  (id_literal))))))))))
+
+==================
+remove attribute (rem: remove @disabled)
+==================
+
+on click remove @disabled from the next <button/>
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (on_feature
+        (event_spec
+          (event_binding
+            (event_name
+              (identifier))))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (remove_command
+                (expression
+                  (attribute_literal))
+                (expression
+                  (the_expression
+                    (query_literal)))))))))))
+
+==================
+toggle class on me (docs intro)
+==================
+
+on click toggle .red on me
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (on_feature
+        (event_spec
+          (event_binding
+            (event_name
+              (identifier))))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (toggle_command
+                (expression
+                  (class_literal))
+                (expression
+                  (special_identifier))))))))))
+
+==================
+toggle class on target (tog: on #another-div)
+==================
+
+on click toggle .toggled on #another-div
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (on_feature
+        (event_spec
+          (event_binding
+            (event_name
+              (identifier))))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (toggle_command
+                (expression
+                  (class_literal))
+                (expression
+                  (id_literal))))))))))
+
+==================
+toggle attribute (tog: toggle [@disabled='true'])
+==================
+
+on click toggle [@disabled='true']
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (on_feature
+        (event_spec
+          (event_binding
+            (event_name
+              (identifier))))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (toggle_command
+                (expression
+                  (attribute_query_literal
+                    (attribute_name)
+                    (expression
+                      (string))))))))))))
+
+==================
+toggle for duration (tog: toggle .toggled for 2s)
+==================
+
+on click toggle .toggled for 2s
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (on_feature
+        (event_spec
+          (event_binding
+            (event_name
+              (identifier))))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (toggle_command
+                (expression
+                  (class_literal))
+                (time_literal
+                  (duration))))))))))
+
+==================
+toggle until event (tog: until mouseleave)
+==================
+
+on mouseenter toggle .visible on #help until mouseleave
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (on_feature
+        (event_spec
+          (event_binding
+            (event_name
+              (identifier))))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (toggle_command
+                (expression
+                  (class_literal))
+                (expression
+                  (id_literal))
+                (event_name
+                  (identifier))))))))))
+
+==================
+toggle between classes (tog: between .enabled and .disabled)
+==================
+
+on click toggle between .enabled and .disabled
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (on_feature
+        (event_spec
+          (event_binding
+            (event_name
+              (identifier))))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (toggle_command
+                (class_literal)
+                (class_literal)))))))))
+
+==================
+toggle display (tog: toggle *display)
+==================
+
+on click toggle *display on the next <div/>
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (on_feature
+        (event_spec
+          (event_binding
+            (event_name
+              (identifier))))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (toggle_command
+                (expression
+                  (style_property))
+                (expression
+                  (the_expression
+                    (query_literal)))))))))))
+
+==================
+toggle @disabled until htmx (cook: disable button)
+==================
+
+on click toggle @disabled until htmx:afterOnLoad
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (on_feature
+        (event_spec
+          (event_binding
+            (event_name
+              (identifier))))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (toggle_command
+                (expression
+                  (attribute_literal))
+                (event_name
+                  (colon_identifier
+                    (identifier)
+                    (identifier)))))))))))
+
+==================
+set variable (docs: set x to 10)
+==================
+
+set x to 10
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (set_command
+          (expression
+            (identifier))
+          (expression
+            (number)))))))
+
+==================
+set and log (set: set x to 'foo' then log x)
+==================
+
+on click set x to 'foo' then log x
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (on_feature
+        (event_spec
+          (event_binding
+            (event_name
+              (identifier))))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (set_command
+                (expression
+                  (identifier))
+                (expression
+                  (string))))
+            (command_statement
+              (log_command
+                (expression
+                  (identifier))))))))))
+
+==================
+set property (set: set my.style.color)
+==================
+
+on click set my.style.color to 'red'
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (on_feature
+        (event_spec
+          (event_binding
+            (event_name
+              (identifier))))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (set_command
+                (expression
+                  (pronoun_possessive_primary
+                    (identifier)
+                    (identifier)))
+                (expression
+                  (string))))))))))
+
+==================
+set global (docs: scoping modifiers)
+==================
+
+set global myGlobal to true
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (set_command
+          (scope_modifier)
+          (expression
+            (identifier))
+          (expression
+            (boolean)))))))
+
+==================
+set element (docs: scoping modifiers)
+==================
+
+set element myElementVar to true
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (set_command
+          (scope_modifier)
+          (expression
+            (identifier))
+          (expression
+            (boolean)))))))
+
+==================
+set local (docs: scoping modifiers)
+==================
+
+set local x to 0
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (set_command
+          (scope_modifier)
+          (expression
+            (identifier))
+          (expression
+            (number)))))))
+
+==================
+set scoped vars (docs: $foo and :bar)
+==================
+
+set $foo to 10
+set :bar to 20
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (set_command
+          (expression
+            (identifier))
+          (expression
+            (number))))
+      (command_statement
+        (set_command
+          (expression
+            (identifier))
+          (expression
+            (number)))))))
+
+==================
+set attribute (docs: set @my-attr to 10)
+==================
+
+set @my-attr to 10
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (set_command
+          (expression
+            (attribute_literal))
+          (expression
+            (number)))))))
+
+==================
+set member target (set: me.innerHTML)
+==================
+
+set me.innerHTML to "hello"
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (set_command
+          (expression
+            (special_identifier)
+            (member_access
+              (identifier)))
+          (expression
+            (string)))))))
+
+==================
+set attribute target (set: me@disabled)
+==================
+
+set me@disabled to true
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (set_command
+          (expression
+            (special_identifier)
+            (attr_access
+              (attribute_name)))
+          (expression
+            (boolean)))))))
+
+==================
+set possessive target (poss: the window's location)
+==================
+
+on click set the window's location to 'https://duck.com'
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (on_feature
+        (event_spec
+          (event_binding
+            (event_name
+              (identifier))))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (set_command
+                (expression
+                  (the_expression
+                    (identifier))
+                  (possessive_access
+                    (identifier)))
+                (expression
+                  (string))))))))))
+
+==================
+put into (docs: put 'cool!' into me)
+==================
+
+put 'cool!' into me
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (put_command
+          (expression
+            (string))
+          (expression
+            (special_identifier)))))))
+
+==================
+put before (put: put before me)
+==================
+
+put "<hr/>" before me
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (put_command
+          (expression
+            (string))
+          (expression
+            (special_identifier)))))))
+
+==================
+put after (put: put after me)
+==================
+
+put "<hr/>" after me
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (put_command
+          (expression
+            (string))
+          (expression
+            (special_identifier)))))))
+
+==================
+put at start of (put: at start of me)
+==================
+
+put "Hello " at start of me
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (put_command
+          (expression
+            (string))
+          (expression
+            (special_identifier)))))))
+
+==================
+put at the end of (put: at the end of me)
+==================
+
+put "!" at the end of me
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (put_command
+          (expression
+            (string))
+          (expression
+            (special_identifier)))))))
+
+==================
+put into id.innerHTML (expr: id literals)
+==================
+
+on click put 'Clicked!' into #example.innerHTML
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (on_feature
+        (event_spec
+          (event_binding
+            (event_name
+              (identifier))))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (put_command
+                (expression
+                  (string))
+                (expression
+                  (id_literal)
+                  (member_access
+                    (identifier)))))))))))
+
+==================
+call function (call: call myJavascriptFunction())
+==================
+
+on click call myJavascriptFunction()
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (on_feature
+        (event_spec
+          (event_binding
+            (event_name
+              (identifier))))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (call_command
+                (expression
+                  (identifier)
+                  (argument_list))))))))))
+
+==================
+call alert (docs: calling functions)
+==================
+
+call alert('hello world!')
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (call_command
+          (expression
+            (identifier)
+            (argument_list
+              (expression
+                (string)))))))))
+
+==================
+get command (docs: get)
+==================
+
+get the nextInteger() then log it
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (call_command
+          (expression
+            (the_expression
+              (identifier))
+            (argument_list))))
+      (command_statement
+        (log_command
+          (expression
+            (special_identifier)))))))
+
+==================
+send event (send: send doIt to #div1)
+==================
+
+on click send doIt(answer:42) to #div1
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (on_feature
+        (event_spec
+          (event_binding
+            (event_name
+              (identifier))))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (send_command
+                (event_name
+                  (identifier))
+                (named_argument_list
+                  (named_argument
+                    (identifier)
+                    (expression
+                      (number))))
+                (expression
+                  (id_literal))))))))))
+
+==================
+trigger event (send: trigger doIt)
+==================
+
+on click trigger doIt(answer:42)
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (on_feature
+        (event_spec
+          (event_binding
+            (event_name
+              (identifier))))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (send_command
+                (event_name
+                  (identifier))
+                (named_argument_list
+                  (named_argument
+                    (identifier)
+                    (expression
+                      (number))))))))))))
+
+==================
+send with named args (docs: send with arguments)
+==================
+
+on click send showMessage(message:'Foo!') to the next <output/>
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (on_feature
+        (event_spec
+          (event_binding
+            (event_name
+              (identifier))))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (send_command
+                (event_name
+                  (identifier))
+                (named_argument_list
+                  (named_argument
+                    (identifier)
+                    (expression
+                      (string))))
+                (expression
+                  (the_expression
+                    (query_literal)))))))))))
+
+==================
+fetch basic (fetch: fetch /example)
+==================
+
+on click fetch /example
+  put it into my innerHTML
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (on_feature
+        (event_spec
+          (event_binding
+            (event_name
+              (identifier))))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (fetch_command
+                (naked_string)))
+            (command_statement
+              (put_command
+                (expression
+                  (special_identifier))
+                (expression
+                  (pronoun_possessive_primary
+                    (identifier)))))))))))
+
+==================
+fetch as json with POST (fetch: as json)
+==================
+
+on click fetch /test as json with method:"POST"
+  put `${its result}` into my innerHTML
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (on_feature
+        (event_spec
+          (event_binding
+            (event_name
+              (identifier))))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (fetch_command
+                (naked_string)
+                (identifier)
+                (fetch_options
+                  (named_argument
+                    (identifier)
+                    (expression
+                      (string))))))
+            (command_statement
+              (put_command
+                (expression
+                  (backtick_string
+                    (template_substitution
+                      (interpolation_start)
+                      (expression
+                        (pronoun_possessive_primary
+                          (identifier)))
+                      (interpolation_end))))
+                (expression
+                  (pronoun_possessive_primary
+                    (identifier)))))))))))
+
+==================
+fetch then put (docs: fetch /demo)
+==================
+
+fetch /demo then put it into my.innerHTML
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (fetch_command
+          (naked_string)))
+      (command_statement
+        (put_command
+          (expression
+            (special_identifier))
+          (expression
+            (pronoun_possessive_primary
+              (identifier))))))))
+
+==================
+fetch as json simple (docs: fetch)
+==================
+
+fetch /api/data as json
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (fetch_command
+          (naked_string)
+          (identifier))))))
+
+==================
+fetch with timeout (fetch: timeout)
+==================
+
+on click fetch /example with timeout:300ms
+  put the result into my innerHTML
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (on_feature
+        (event_spec
+          (event_binding
+            (event_name
+              (identifier))))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (fetch_command
+                (naked_string)
+                (fetch_options
+                  (named_argument
+                    (identifier)
+                    (expression
+                      (duration))))))
+            (command_statement
+              (put_command
+                (expression
+                  (the_expression
+                    (special_identifier)))
+                (expression
+                  (pronoun_possessive_primary
+                    (identifier)))))))))))
+
+==================
+if command (docs: if x > 10)
+==================
+
+if x > 10
+  log "Greater than 10"
+end
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (if_statement
+          (expression
+            (comparison_expression
+              (identifier)
+              (comparison_operator)
+              (number)))
+          (command_sequence
+            (command_statement
+              (log_command
+                (expression
+                  (string))))))))))
+
+==================
+if-else (docs: if-else)
+==================
+
+on click increment :x
+  if :x <= 3
+    put :x into the next <output/>
+  else
+    put '3 is the max...' into the next <output/>
+  end
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (on_feature
+        (event_spec
+          (event_binding
+            (event_name
+              (identifier))))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (generic_command
+                (identifier)
+                (identifier)))
+            (command_statement
+              (if_statement
+                (expression
+                  (comparison_expression
+                    (identifier)
+                    (comparison_operator)
+                    (number)))
+                (command_sequence
+                  (command_statement
+                    (put_command
+                      (expression
+                        (identifier))
+                      (expression
+                        (the_expression
+                          (query_literal))))))
+                (else_clause
+                  (command_sequence
+                    (command_statement
+                      (put_command
+                        (expression
+                          (string))
+                        (expression
+                          (the_expression
+                            (query_literal)))))))))))))))
+
+==================
+if-otherwise (docs: otherwise keyword)
+==================
+
+on click increment :x
+  if :x < 3
+    put :x into the next <output/>
+  otherwise
+    put '3 is the max...' into the next <output/>
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (on_feature
+        (event_spec
+          (event_binding
+            (event_name
+              (identifier))))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (generic_command
+                (identifier)
+                (identifier)))
+            (command_statement
+              (if_statement
+                (expression
+                  (comparison_expression
+                    (identifier)
+                    (comparison_operator)
+                    (number)))
+                (command_sequence
+                  (command_statement
+                    (put_command
+                      (expression
+                        (identifier))
+                      (expression
+                        (the_expression
+                          (query_literal))))))
+                (else_clause
+                  (command_sequence
+                    (command_statement
+                      (put_command
+                        (expression
+                          (string))
+                        (expression
+                          (the_expression
+                            (query_literal)))))))))))))))
+
+==================
+unless modifier (docs: unless)
+==================
+
+on click set error to functionCouldReturnError()
+  log error unless no error
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (on_feature
+        (event_spec
+          (event_binding
+            (event_name
+              (identifier))))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (set_command
+                (expression
+                  (identifier))
+                (expression
+                  (identifier)
+                  (argument_list))))
+            (command_statement
+              (log_command
+                (expression
+                  (identifier)))
+              (expression
+                (unary_expression
+                  (identifier))))))))))
+
+==================
+if match (docs: if I match .bordered)
+==================
+
+on click toggle .red unless I match .bordered
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (on_feature
+        (event_spec
+          (event_binding
+            (event_name
+              (identifier))))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (toggle_command
+                (expression
+                  (class_literal)))
+              (expression
+                (comparison_expression
+                  (special_identifier)
+                  (comparison_operator)
+                  (class_literal))))))))))
+
+==================
+repeat for in (docs: loops)
+==================
+
+repeat for x in [1, 2, 3]
+  log x
+end
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (repeat_statement
+          (repeat_clause
+            (identifier)
+            (expression
+              (array_literal
+                (expression
+                  (number))
+                (expression
+                  (number))
+                (expression
+                  (number)))))
+          (command_sequence
+            (command_statement
+              (log_command
+                (expression
+                  (identifier))))))))))
+
+==================
+for shorthand (docs: loops)
+==================
+
+for x in [1, 2, 3]
+  log x
+end
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (repeat_statement
+          (identifier)
+          (expression
+            (array_literal
+              (expression
+                (number))
+              (expression
+                (number))
+              (expression
+                (number))))
+          (command_sequence
+            (command_statement
+              (log_command
+                (expression
+                  (identifier))))))))))
+
+==================
+repeat in implicit it (docs: loops)
+==================
+
+repeat in [1, 2, 3]
+  log it
+end
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (repeat_statement
+          (repeat_clause
+            (expression
+              (array_literal
+                (expression
+                  (number))
+                (expression
+                  (number))
+                (expression
+                  (number)))))
+          (command_sequence
+            (command_statement
+              (log_command
+                (expression
+                  (special_identifier))))))))))
+
+==================
+repeat while (docs: loops)
+==================
+
+repeat while x < 10
+  log x
+end
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (repeat_statement
+          (repeat_clause
+            (expression
+              (comparison_expression
+                (identifier)
+                (comparison_operator)
+                (number))))
+          (command_sequence
+            (command_statement
+              (log_command
+                (expression
+                  (identifier))))))))))
+
+==================
+repeat until (docs: loops)
+==================
+
+repeat until x is 10
+  log x
+end
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (repeat_statement
+          (repeat_clause
+            (expression
+              (comparison_expression
+                (identifier)
+                (comparison_operator)
+                (number))))
+          (command_sequence
+            (command_statement
+              (log_command
+                (expression
+                  (identifier))))))))))
+
+==================
+repeat N times (docs: loops)
+==================
+
+repeat 3 times
+  log 'looping'
+end
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (repeat_statement
+          (repeat_clause
+            (number))
+          (command_sequence
+            (command_statement
+              (log_command
+                (expression
+                  (string))))))))))
+
+==================
+repeat with index (docs: loops)
+==================
+
+for x in [1, 2, 3] index i
+  log i
+end
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (repeat_statement
+          (identifier)
+          (expression
+            (array_literal
+              (expression
+                (number))
+              (expression
+                (number))
+              (expression
+                (number))))
+          (repeat_index
+            (identifier))
+          (command_sequence
+            (command_statement
+              (log_command
+                (expression
+                  (identifier))))))))))
+
+==================
+repeat forever (docs: loops)
+==================
+
+repeat forever
+  if I match :focus
+    break
+  end
+  wait 2s
+end
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (repeat_statement
+          (repeat_clause)
+          (command_sequence
+            (command_statement
+              (if_statement
+                (expression
+                  (comparison_expression
+                    (special_identifier)
+                    (comparison_operator)
+                    (identifier)))
+                (command_sequence
+                  (command_statement
+                    (break_command)))))
+            (command_statement
+              (wait_command
+                (time_literal
+                  (duration))))))))))
+
+==================
+repeat until event (docs: async loops)
+==================
+
+on pointerdown
+  repeat until event pointerup from the document
+    set rand to Math.random() * 360
+    transition *background-color to `hsl($rand 100% 90%)` over 250ms
+  end
+  transition *background-color to initial
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (on_feature
+        (event_spec
+          (event_binding
+            (event_name
+              (identifier))))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (repeat_statement
+                (repeat_clause
+                  (event_predicate
+                    (identifier)
+                    (expression
+                      (the_expression
+                        (identifier)))))
+                (command_sequence
+                  (command_statement
+                    (set_command
+                      (expression
+                        (identifier))
+                      (expression
+                        (math_expression
+                          (identifier)
+                          (member_access
+                            (identifier))
+                          (argument_list)
+                          (number)))))
+                  (command_statement
+                    (transition_command
+                      (transition_inline
+                        (style_property_name
+                          (style_property))
+                        (expression
+                          (backtick_string))
+                        (expression
+                          (duration))))))))
+            (command_statement
+              (transition_command
+                (transition_inline
+                  (style_property_name
+                    (style_property))
+                  (expression
+                    (identifier)))))))))))
+
+==================
+break (docs: break)
+==================
+
+repeat 3 times
+  break
+end
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (repeat_statement
+          (repeat_clause
+            (number))
+          (command_sequence
+            (command_statement
+              (break_command))))))))
+
+==================
+continue (docs: continue)
+==================
+
+repeat 3 times
+  continue
+end
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (repeat_statement
+          (repeat_clause
+            (number))
+          (command_sequence
+            (command_statement
+              (continue_command))))))))
+
+==================
+log (docs: log)
+==================
+
+log "Hello Console!"
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (log_command
+          (expression
+            (string)))))))
+
+==================
+log variable (docs: log me)
+==================
+
+log me
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (log_command
+          (expression
+            (special_identifier)))))))
+
+==================
+log multiple values (docs: log x, y)
+==================
+
+on click log 'clicked', 'clacked'
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (on_feature
+        (event_spec
+          (event_binding
+            (event_name
+              (identifier))))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (log_command
+                (expression
+                  (string))
+                (expression
+                  (string))))))))))
+
+==================
+log with logger (docs: log x with fn)
+==================
+
+on click log 'clicked' with console.debug
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (on_feature
+        (event_spec
+          (event_binding
+            (event_name
+              (identifier))))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (log_command
+                (expression
+                  (string))
+                (expression
+                  (identifier)
+                  (member_access
+                    (identifier)))))))))))
+
+==================
+return (docs: return 42)
+==================
+
+return 42
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (return_command
+          (expression
+            (number)))))))
+
+==================
+throw (docs: throw)
+==================
+
+throw "Bad Value"
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (throw_command
+          (expression
+            (string)))))))
+
+==================
+halt the event (docs: halting events)
+==================
+
+halt the event
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (halt_command
+          (expression
+            (the_expression
+              (special_identifier))))))))
+
+==================
+halt (docs: halt)
+==================
+
+halt
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (halt_command)))))
+
+==================
+wait time (wait: wait 2s)
+==================
+
+wait 2s then remove me
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (wait_command
+          (time_literal
+            (duration))))
+      (command_statement
+        (remove_command
+          (expression
+            (special_identifier)))))))
+
+==================
+wait for event (wait: wait for transitionend)
+==================
+
+on click add .example then wait for transitionend
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (on_feature
+        (event_spec
+          (event_binding
+            (event_name
+              (identifier))))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (add_command
+                (expression
+                  (class_literal))))
+            (command_statement
+              (wait_command
+                (wait_event
+                  (event_name
+                    (identifier)))))))))))
+
+==================
+wait add then wait then remove (wait: example)
+==================
+
+on click add .example then wait 2s then remove .example
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (on_feature
+        (event_spec
+          (event_binding
+            (event_name
+              (identifier))))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (add_command
+                (expression
+                  (class_literal))))
+            (command_statement
+              (wait_command
+                (time_literal
+                  (duration))))
+            (command_statement
+              (remove_command
+                (expression
+                  (class_literal))))))))))
+
+==================
+settle (docs: settling)
+==================
+
+add .fade-out then settle
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (add_command
+          (expression
+            (class_literal))))
+      (command_statement
+        (settle_command)))))
+
+==================
+transition opacity (cook: fade & remove)
+==================
+
+on click transition opacity to 0 then remove me
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (on_feature
+        (event_spec
+          (event_binding
+            (event_name
+              (identifier))))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (transition_command
+                (transition_inline
+                  (style_property_name
+                    (identifier))
+                  (expression
+                    (number)))))
+            (command_statement
+              (remove_command
+                (expression
+                  (special_identifier))))))))))
+
+==================
+transition with over (tran: over duration)
+==================
+
+transition *background-color to `hsl($rand 100% 90%)` over 250ms
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (transition_command
+          (transition_inline
+            (style_property_name
+              (style_property))
+            (expression
+              (backtick_string))
+            (expression
+              (duration))))))))
+
+==================
+transition to initial (tran: to initial)
+==================
+
+transition *background-color to initial
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (transition_command
+          (transition_inline
+            (style_property_name
+              (style_property))
+            (expression
+              (identifier))))))))
+
+==================
+increment (docs: increment x)
+==================
+
+set x to 1
+increment x
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (set_command
+          (expression
+            (identifier))
+          (expression
+            (number))))
+      (command_statement
+        (generic_command
+          (identifier)
+          (identifier))))))
+
+==================
+increment by (inc: increment by 2)
+==================
+
+on click increment :x by 2 then put it into the next <output/>
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (on_feature
+        (event_spec
+          (event_binding
+            (event_name
+              (identifier))))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (generic_command
+                (identifier)
+                (identifier)
+                (identifier)
+                (number)))
+            (command_statement
+              (put_command
+                (expression
+                  (special_identifier))
+                (expression
+                  (the_expression
+                    (query_literal)))))))))))
+
+==================
+increment attribute (docs: increment @data-counter)
+==================
+
+on click
+  increment @data-counter
+  if @data-counter as Int is greater than 4
+    add @disabled
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (on_feature
+        (event_spec
+          (event_binding
+            (event_name
+              (identifier))))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (generic_command
+                (identifier)
+                (attribute_literal)))
+            (command_statement
+              (if_statement
+                (expression
+                  (comparison_expression
+                    (attribute_literal)
+                    (as_expression
+                      (identifier))
+                    (comparison_operator)
+                    (number)))
+                (command_sequence
+                  (command_statement
+                    (add_command
+                      (expression
+                        (attribute_literal)))))))))))))
+
+==================
+decrement (docs: decrement)
+==================
+
+decrement counter
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (generic_command
+          (identifier)
+          (identifier))))))
+
+==================
+hide (hide: hide me)
+==================
+
+on click hide
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (on_feature
+        (event_spec
+          (event_binding
+            (event_name
+              (identifier))))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (hide_command))))))))
+
+==================
+hide with opacity (hide: hide with opacity)
+==================
+
+on click hide with opacity
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (on_feature
+        (event_spec
+          (event_binding
+            (event_name
+              (identifier))))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (hide_command
+                (expression
+                  (identifier))))))))))
+
+==================
+hide another (hide: hide #anotherDiv)
+==================
+
+on click hide #anotherDiv
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (on_feature
+        (event_spec
+          (event_binding
+            (event_name
+              (identifier))))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (hide_command
+                (expression
+                  (id_literal))))))))))
+
+==================
+show (show: show element)
+==================
+
+show #anotherDiv
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (show_command
+          (expression
+            (id_literal)))))))
+
+==================
+show with when (cook: show when contains)
+==================
+
+on keyup
+  show <blockquote/> in #quotes when its textContent contains my value
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (on_feature
+        (event_spec
+          (event_binding
+            (event_name
+              (identifier))))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (show_command
+                (expression
+                  (query_literal))
+                (expression
+                  (id_literal))
+                (expression
+                  (comparison_expression
+                    (pronoun_possessive_primary
+                      (identifier))
+                    (comparison_operator)
+                    (pronoun_possessive_primary
+                      (identifier))))))))))))
+
+==================
+make a URL (docs: make command)
+==================
+
+make a URL from "/path/", "https://origin.example.com"
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (make_command
+          (identifier)
+          (expression
+            (string))
+          (expression
+            (string)))))))
+
+==================
+make with called (docs: make called)
+==================
+
+make a URL from "/path/", "https://origin.example.com" called myURL
+log myURL
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (make_command
+          (identifier)
+          (expression
+            (string))
+          (expression
+            (string))
+          (identifier)))
+      (command_statement
+        (log_command
+          (expression
+            (identifier)))))))
+
+==================
+make DOM element (docs: make <a.navlink/>)
+==================
+
+make an <a.navlink/> then put it after me
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (make_command
+          (query_literal)))
+      (command_statement
+        (put_command
+          (expression
+            (special_identifier))
+          (expression
+            (special_identifier)))))))
+
+==================
+go to url (go: go to url)
+==================
+
+on click go to url https://duck.com
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (on_feature
+        (event_spec
+          (event_binding
+            (event_name
+              (identifier))))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (generic_command
+                (identifier)
+                (identifier)
+                (naked_string)))))))))
+
+==================
+go to top of body (go: scroll)
+==================
+
+on click go to the top of the body
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (on_feature
+        (event_spec
+          (event_binding
+            (event_name
+              (identifier))))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (generic_command
+                (identifier)
+                (identifier)
+                (identifier)))))))))
+
+==================
+go back (go: go back)
+==================
+
+go back
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (generic_command
+          (identifier)
+          (identifier))))))
+
+==================
+take class (ref: take .active from .tabs)
+==================
+
+take .active from .tabs
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (generic_command
+          (identifier)
+          (class_literal)
+          (class_literal))))))
+
+==================
+tell command (docs: tell <p/> add .highlight)
+==================
+
+on click tell <p/> in me add .highlight
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (on_feature
+        (event_spec
+          (event_binding
+            (event_name
+              (identifier))))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (tell_command
+                (expression
+                  (query_literal)
+                  (in_expression
+                    (special_identifier)))
+                (command_sequence
+                  (command_statement
+                    (add_command
+                      (expression
+                        (class_literal)))))))))))))
+
+==================
+tell set (docs: tell <details/>)
+==================
+
+tell <details/> in .article set you.open to false
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (tell_command
+          (expression
+            (query_literal)
+            (in_expression
+              (class_literal)))
+          (command_sequence
+            (command_statement
+              (set_command
+                (expression
+                  (special_identifier)
+                  (member_access
+                    (identifier)))
+                (expression
+                  (boolean))))))))))
+
+==================
+tell with end (docs: tell <p/> ... end)
+==================
+
+on click tell <p/> in me
+  add .highlight
+  log your textContent
+end
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (on_feature
+        (event_spec
+          (event_binding
+            (event_name
+              (identifier))))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (tell_command
+                (expression
+                  (query_literal)
+                  (in_expression
+                    (special_identifier)))
+                (command_sequence
+                  (command_statement
+                    (add_command
+                      (expression
+                        (class_literal))))
+                  (command_statement
+                    (log_command
+                      (expression
+                        (pronoun_possessive_primary
+                          (identifier))))))))))))))
+
+==================
+measure (ref: measure me then log it)
+==================
+
+measure me then log it
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (generic_command
+          (identifier)
+          (special_identifier)))
+      (command_statement
+        (log_command
+          (expression
+            (special_identifier)))))))
+
+==================
+append to string (app: append to string)
+==================
+
+set fullName to "John"
+append " Connor" to fullName
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (set_command
+          (expression
+            (identifier))
+          (expression
+            (string))))
+      (command_statement
+        (generic_command
+          (identifier)
+          (string)
+          (identifier))))))
+
+==================
+append to array (app: append to array)
+==================
+
+set resultArray to []
+append 1 to resultArray
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (set_command
+          (expression
+            (identifier))
+          (expression
+            (array_literal))))
+      (command_statement
+        (generic_command
+          (identifier)
+          (number)
+          (identifier))))))
+
+==================
+append to HTML (app: append to element)
+==================
+
+append "<i>More HTML here</i>" to #myDIV
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (generic_command
+          (identifier)
+          (string)
+          (id_literal))))))
+
+==================
+async command (ref: async fetch)
+==================
+
+async fetch /example
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (async_command
+          (fetch_command
+            (naked_string)))))))
+
+==================
+beep (ref: beep!)
+==================
+
+beep! <.foo/>
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (beep_command
+          (expression
+            (query_literal)))))))
+
+==================
+js inline (js-c: js...end)
+==================
+
+on click
+  js
+    if ('clipboard' in window.navigator) {
+      return navigator.clipboard.readText()
+    }
+  end
+  put it in my.innerHTML
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (on_feature
+        (event_spec
+          (event_binding
+            (event_name
+              (identifier))))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (js_command
+                (js_body)))
+            (command_statement
+              (put_command
+                (expression
+                  (special_identifier))
+                (expression
+                  (pronoun_possessive_primary
+                    (identifier)))))))))))
+
+==================
+js with params (js-c: js(me, text)...end)
+==================
+
+on click set text to #input.value
+  js(me, text)
+    if ('clipboard' in window.navigator) {
+      return navigator.clipboard.writeText(text)
+    }
+  end
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (on_feature
+        (event_spec
+          (event_binding
+            (event_name
+              (identifier))))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (set_command
+                (expression
+                  (identifier))
+                (expression
+                  (id_literal)
+                  (member_access
+                    (identifier)))))
+            (command_statement
+              (js_command
+                (param_list
+                  (identifier)
+                  (identifier))
+                (js_body)))))))))
+
+==================
+pseudo-command: reload (pc: reload())
+==================
+
+reload() the location of the window
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (invocation_command
+          (identifier)
+          (argument_list)
+          (expression
+            (of_expression
+              (the_expression
+                (identifier))
+              (the_expression
+                (identifier)))))))))
+
+==================
+pseudo-command: setAttribute (pc: setAttribute())
+==================
+
+setAttribute('foo', 'bar') on me
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (invocation_command
+          (identifier)
+          (argument_list
+            (expression
+              (string))
+            (expression
+              (string)))
+          (expression
+            (special_identifier)))))))
+
+==================
+pseudo-command: basic call (docs)
+==================
+
+myFunc(42)
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (invocation_command
+          (identifier)
+          (argument_list
+            (expression
+              (number))))))))
+
+==================
+pick match (ref: pick)
+==================
+
+pick match of "(\w+)" from str
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (generic_command
+          (identifier)
+          (string)
+          (identifier))))))
+
+==================
+fetch as html (fetch: as html)
+==================
+
+fetch /page as html then put it into my innerHTML
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (fetch_command
+          (naked_string)
+          (identifier)))
+      (command_statement
+        (put_command
+          (expression
+            (special_identifier))
+          (expression
+            (pronoun_possessive_primary
+              (identifier))))))))
+
+==================
+fetch as a json (fetch: as a json)
+==================
+
+fetch /data as a json
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (fetch_command
+          (naked_string)
+          (identifier))))))
+
+==================
+fetch with object literal (fetch: inline object)
+==================
+
+fetch /test { method: "POST" }
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (fetch_command
+          (naked_string)
+          (object_literal
+            (object_pair
+              (identifier)
+              (expression
+                (string)))))))))
+
+==================
+go to the bottom (go: scroll bottom)
+==================
+
+go to the bottom of the body
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (generic_command
+          (identifier)
+          (identifier)
+          (identifier))))))
+
+==================
+go to the middle (go: scroll middle)
+==================
+
+go to the middle of the body
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (generic_command
+          (identifier)
+          (identifier)
+          (identifier))))))
+
+==================
+go to top smoothly (go: smoothly)
+==================
+
+go to the top of the body smoothly
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (generic_command
+          (identifier)
+          (identifier)
+          (identifier)
+          (identifier))))))
+
+==================
+go to top instantly (go: instantly)
+==================
+
+go to the top of the body instantly
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (generic_command
+          (identifier)
+          (identifier)
+          (identifier)
+          (identifier))))))
+
+==================
+halt default (halt: halt default)
+==================
+
+on click halt default
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (on_feature
+        (event_spec
+          (event_binding
+            (event_name
+              (identifier))))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (halt_command
+                (expression
+                  (identifier))))))))))
+
+==================
+hide with display (hide: *display)
+==================
+
+on click hide me with *display
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (on_feature
+        (event_spec
+          (event_binding
+            (event_name
+              (identifier))))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (hide_command
+                (expression
+                  (special_identifier))
+                (expression
+                  (style_property))))))))))
+
+==================
+hide with visibility (hide: *visibility)
+==================
+
+on click hide me with *visibility
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (on_feature
+        (event_spec
+          (event_binding
+            (event_name
+              (identifier))))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (hide_command
+                (expression
+                  (special_identifier))
+                (expression
+                  (style_property))))))))))
+
+==================
+hide when (hide: when condition)
+==================
+
+on click hide when x > 0
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (on_feature
+        (event_spec
+          (event_binding
+            (event_name
+              (identifier))))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (hide_command
+                (expression
+                  (comparison_expression
+                    (identifier)
+                    (comparison_operator)
+                    (number)))))))))))
+
+==================
+show when (show: when condition)
+==================
+
+on click show when x > 0
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (on_feature
+        (event_spec
+          (event_binding
+            (event_name
+              (identifier))))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (show_command
+                (expression
+                  (comparison_expression
+                    (identifier)
+                    (comparison_operator)
+                    (number)))))))))))
+
+==================
+pick matches plural (pick: matches)
+==================
+
+pick matches of "(\w+)" from str
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (generic_command
+          (identifier)
+          (identifier)
+          (string)
+          (identifier))))))
+
+==================
+put in alias (put: in as alias for into)
+==================
+
+put "hello" in me
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (put_command
+          (expression
+            (string))
+          (expression
+            (special_identifier)))))))
+
+==================
+put at the start of (put: at the start of)
+==================
+
+put "Hello " at the start of me
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (put_command
+          (expression
+            (string))
+          (expression
+            (special_identifier)))))))
+
+==================
+put at end of (put: at end of without the)
+==================
+
+put "!" at end of me
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (put_command
+          (expression
+            (string))
+          (expression
+            (special_identifier)))))))
+
+==================
+transition using (tran: using easing string)
+==================
+
+on click transition opacity to 0 using "all 1s ease-in"
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (on_feature
+        (event_spec
+          (event_binding
+            (event_name
+              (identifier))))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (transition_command
+                (transition_inline
+                  (style_property_name
+                    (identifier))
+                  (expression
+                    (number))
+                  (expression
+                    (string)))))))))))
+
+==================
+transition from value (tran: from to)
+==================
+
+on click transition opacity from 1 to 0 over 500ms
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (on_feature
+        (event_spec
+          (event_binding
+            (event_name
+              (identifier))))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (transition_command
+                (transition_inline
+                  (style_property_name
+                    (identifier))
+                  (expression
+                    (number))
+                  (expression
+                    (number))
+                  (expression
+                    (duration)))))))))))
+
+==================
+wait for event from (wait: from element)
+==================
+
+on click wait for click from #myButton
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (on_feature
+        (event_spec
+          (event_binding
+            (event_name
+              (identifier))))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (wait_command
+                (wait_event
+                  (event_name
+                    (identifier))
+                  (expression
+                    (id_literal)))))))))))
+
+==================
+wait for event or event (wait: or event)
+==================
+
+on click wait for mouseup or touchend
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (on_feature
+        (event_spec
+          (event_binding
+            (event_name
+              (identifier))))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (wait_command
+                (wait_event
+                  (event_name
+                    (identifier)))
+                (wait_event
+                  (event_name
+                    (identifier)))))))))))
+
+==================
+wait for event or time (wait: or timeout)
+==================
+
+on click wait for done or 5s
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (on_feature
+        (event_spec
+          (event_binding
+            (event_name
+              (identifier))))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (wait_command
+                (wait_event
+                  (event_name
+                    (identifier)))
+                (time_literal
+                  (duration))))))))))
+
+==================
+toggle between in (tog: between ... in)
+==================
+
+on click toggle between .enabled and .disabled in #wrapper
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (on_feature
+        (event_spec
+          (event_binding
+            (event_name
+              (identifier))))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (toggle_command
+                (class_literal)
+                (class_literal)
+                (expression
+                  (id_literal))))))))))
+
+==================
+toggle until from (tog: until event from)
+==================
+
+on click toggle .active until mouseleave from #menu
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (on_feature
+        (event_spec
+          (event_binding
+            (event_name
+              (identifier))))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (toggle_command
+                (expression
+                  (class_literal))
+                (event_name
+                  (identifier))
+                (expression
+                  (id_literal))))))))))
+
+==================
+toggle my opacity (tog: my *opacity)
+==================
+
+on click toggle my *opacity
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (on_feature
+        (event_spec
+          (event_binding
+            (event_name
+              (identifier))))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (toggle_command
+                (expression
+                  (pronoun_possessive_primary
+                    (style_property)))))))))))
+
+==================
+toggle the visibility (tog: the *visibility)
+==================
+
+on click toggle the *visibility
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (on_feature
+        (event_spec
+          (event_binding
+            (event_name
+              (identifier))))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (toggle_command
+                (expression
+                  (the_expression
+                    (style_property)))))))))))
+
+==================
+send on target (send: on alternative to to)
+==================
+
+on click send refresh on #panel
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (on_feature
+        (event_spec
+          (event_binding
+            (event_name
+              (identifier))))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (send_command
+                (event_name
+                  (identifier))
+                (expression
+                  (id_literal))))))))))
+
+==================
+tell with yourself (tell: yourself pronoun)
+==================
+
+on click tell <li/>
+  add .selected
+  remove yourself
+end
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (on_feature
+        (event_spec
+          (event_binding
+            (event_name
+              (identifier))))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (tell_command
+                (expression
+                  (query_literal))
+                (command_sequence
+                  (command_statement
+                    (add_command
+                      (expression
+                        (class_literal))))
+                  (command_statement
+                    (remove_command
+                      (expression
+                        (special_identifier)))))))))))))
+
+==================
+if then single-line (if: then form)
+==================
+
+if x > 0 then log "positive"
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (if_statement
+          (expression
+            (comparison_expression
+              (identifier)
+              (comparison_operator)
+              (number)))
+          (command_sequence
+            (command_statement
+              (log_command
+                (expression
+                  (string))))))))))
+
+==================
+if else if chain (if: multiple else if)
+==================
+
+if x < 0
+  log "negative"
+else if x == 0
+  log "zero"
+else if x > 0
+  log "positive"
+end
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (if_statement
+          (expression
+            (comparison_expression
+              (identifier)
+              (comparison_operator)
+              (number)))
+          (command_sequence
+            (command_statement
+              (log_command
+                (expression
+                  (string)))))
+          (else_if_clause
+            (expression
+              (comparison_expression
+                (identifier)
+                (comparison_operator)
+                (number)))
+            (command_sequence
+              (command_statement
+                (log_command
+                  (expression
+                    (string))))))
+          (else_if_clause
+            (expression
+              (comparison_expression
+                (identifier)
+                (comparison_operator)
+                (number)))
+            (command_sequence
+              (command_statement
+                (log_command
+                  (expression
+                    (string)))))))))))
+
+==================
+make with args (make: from keyword)
+==================
+
+make a Set from a, b, c
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (make_command
+          (identifier)
+          (expression
+            (identifier))
+          (expression
+            (identifier))
+          (expression
+            (identifier)))))))
+
+==================
+log basic (log: log me)
+==================
+
+log me
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (log_command
+          (expression
+            (special_identifier)))))))
+
+==================
+fetch backtick url as JSON (fetch: template url)
+==================
+
+fetch `/users/${userId}/profile` as JSON
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (fetch_command
+          (backtick_string
+            (template_substitution
+              (interpolation_start)
+              (expression
+                (identifier))
+              (interpolation_end)))
+          (identifier))))))
+
+==================
+hide me (hide: explicit me target)
+==================
+
+on click hide me
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (on_feature
+        (event_spec
+          (event_binding
+            (event_name
+              (identifier))))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (hide_command
+                (expression
+                  (special_identifier))))))))))
+
+==================
+toggle bare style (tog: toggle *opacity)
+==================
+
+on click toggle *opacity
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (on_feature
+        (event_spec
+          (event_binding
+            (event_name
+              (identifier))))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (toggle_command
+                (expression
+                  (style_property))))))))))
+
+==================
+continue (docs: continue)
+==================
+
+repeat 3 times
+  continue
+end
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (repeat_statement
+          (repeat_clause
+            (number))
+          (command_sequence
+            (command_statement
+              (continue_command))))))))
+
+==================
+add object literal (add: { color: 'red' } to me)
+==================
+
+on click add { color: 'red' } to me
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (on_feature
+        (event_spec
+          (event_binding
+            (event_name
+              (identifier))))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (add_command
+                (expression
+                  (object_literal
+                    (object_pair
+                      (identifier)
+                      (expression
+                        (string)))))
+                (expression
+                  (special_identifier))))))))))
+
+==================
+if-else single-line (docs: if x > 0 log x else log 'nope')
+==================
+
+if x > 0 log x else log 'nope'
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (if_statement
+          (expression
+            (comparison_expression
+              (identifier)
+              (comparison_operator)
+              (number)))
+          (command_sequence
+            (command_statement
+              (log_command
+                (expression
+                  (identifier)))))
+          (else_clause
+            (command_sequence
+              (command_statement
+                (log_command
+                  (expression
+                    (string)))))))))))
+
+==================
+get command (docs: get prompt)
+==================
+
+get prompt('Enter your name')
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (call_command
+          (expression
+            (identifier)
+            (argument_list
+              (expression
+                (string)))))))))
+
+==================
+decrement by (docs: decrement by 2)
+==================
+
+decrement counter by 2
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (generic_command
+          (identifier)
+          (identifier)
+          (identifier)
+          (number))))))
+
+==================
+return bare (docs: return no expr)
+==================
+
+return
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (return_command)))))
+
+==================
+set object on (set: set {...} on me)
+==================
+
+on click set { disabled: true, innerText: "Done" } on me
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (on_feature
+        (event_spec
+          (event_binding
+            (event_name
+              (identifier))))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (set_command
+                (object_literal
+                  (object_pair
+                    (identifier)
+                    (expression
+                      (boolean)))
+                  (object_pair
+                    (identifier)
+                    (expression
+                      (string))))
+                (expression
+                  (special_identifier))))))))))
+
+==================
+add with where (add: where clause)
+==================
+
+on click add [@disabled='true'] to <button/> where it is not me
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (on_feature
+        (event_spec
+          (event_binding
+            (event_name
+              (identifier))))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (add_command
+                (expression
+                  (attribute_query_literal
+                    (attribute_name)
+                    (expression
+                      (string))))
+                (expression
+                  (query_literal))
+                (expression
+                  (comparison_expression
+                    (special_identifier)
+                    (comparison_operator)
+                    (special_identifier)))))))))))
+
+==================
+show inline (show: show:inline shorthand)
+==================
+
+show:inline
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (show_command
+          (expression
+            (identifier)))))))
+
+==================
+show with opacity (show: with *opacity)
+==================
+
+show with *opacity
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (show_command
+          (expression
+            (style_property)))))))
+
+==================
+repeat for with index (rep: repeat for ... index)
+==================
+
+repeat for x in [1, 2, 3] index i
+  log i
+end
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (repeat_statement
+          (repeat_clause
+            (identifier)
+            (expression
+              (array_literal
+                (expression
+                  (number))
+                (expression
+                  (number))
+                (expression
+                  (number))))
+            (repeat_index
+              (identifier)))
+          (command_sequence
+            (command_statement
+              (log_command
+                (expression
+                  (identifier))))))))))
diff --git a/tools/common/tree-sitter-hyperscript/test/corpus/03_expressions.txt b/tools/common/tree-sitter-hyperscript/test/corpus/03_expressions.txt
new file mode 100644
index 000000000..a562d49f8
--- /dev/null
+++ b/tools/common/tree-sitter-hyperscript/test/corpus/03_expressions.txt
@@ -0,0 +1,2982 @@
+==================
+number literal (docs: 1 3.14)
+==================
+
+set x to 1
+set y to 3.14
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (set_command
+          (expression
+            (identifier))
+          (expression
+            (number))))
+      (command_statement
+        (set_command
+          (expression
+            (identifier))
+          (expression
+            (number)))))))
+
+==================
+string literal single-quoted (docs: strings)
+==================
+
+set hello to 'hello'
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (set_command
+          (expression
+            (identifier))
+          (expression
+            (string)))))))
+
+==================
+string literal double-quoted (docs: strings)
+==================
+
+set world to "world"
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (set_command
+          (expression
+            (identifier))
+          (expression
+            (string)))))))
+
+==================
+template string (docs: template strings)
+==================
+
+set helloWorld to `${hello} ${world}`
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (set_command
+          (expression
+            (identifier))
+          (expression
+            (backtick_string
+              (template_substitution
+                (interpolation_start)
+                (expression
+                  (identifier))
+                (interpolation_end))
+              (template_substitution
+                (interpolation_start)
+                (expression
+                  (identifier))
+                (interpolation_end)))))))))
+
+==================
+template with dollar shorthand (expr: $world)
+==================
+
+on click set world to 'hyperscript'
+  put 'Hello $world' into my innerHTML
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (on_feature
+        (event_spec
+          (event_binding
+            (event_name
+              (identifier))))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (set_command
+                (expression
+                  (identifier))
+                (expression
+                  (string))))
+            (command_statement
+              (put_command
+                (expression
+                  (string))
+                (expression
+                  (pronoun_possessive_primary
+                    (identifier)))))))))))
+
+==================
+boolean literals (docs: true false)
+==================
+
+set x to true
+set y to false
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (set_command
+          (expression
+            (identifier))
+          (expression
+            (boolean))))
+      (command_statement
+        (set_command
+          (expression
+            (identifier))
+          (expression
+            (boolean)))))))
+
+==================
+null literal (docs: null)
+==================
+
+set x to null
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (set_command
+          (expression
+            (identifier))
+          (expression
+            (null)))))))
+
+==================
+array literal (docs: [1, 2, 3])
+==================
+
+set myArr to [1, 2, 3]
+log myArr[0]
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (set_command
+          (expression
+            (identifier))
+          (expression
+            (array_literal
+              (expression
+                (number))
+              (expression
+                (number))
+              (expression
+                (number))))))
+      (command_statement
+        (log_command
+          (expression
+            (identifier)
+            (index_access
+              (expression
+                (number)))))))))
+
+==================
+object literal (docs: objects)
+==================
+
+set x to {name: "Joe", age: 35}
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (set_command
+          (expression
+            (identifier))
+          (expression
+            (object_literal
+              (object_pair
+                (identifier)
+                (expression
+                  (string)))
+              (object_pair
+                (identifier)
+                (expression
+                  (number))))))))))
+
+==================
+object literal with hyphens (expr: CSS props)
+==================
+
+add { font-weight: bold } to the #element in me
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (add_command
+          (expression
+            (object_literal
+              (object_pair
+                (hyphenated_identifier)
+                (expression
+                  (identifier)))))
+          (expression
+            (the_expression
+              (id_literal))
+            (in_expression
+              (special_identifier))))))))
+
+==================
+object with computed key (expr: [computeKey()])
+==================
+
+set x to {foo:"bar", [computeKey()]: computeValue()}
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (set_command
+          (expression
+            (identifier))
+          (expression
+            (object_literal
+              (object_pair
+                (identifier)
+                (expression
+                  (string)))
+              (object_pair
+                (computed_key
+                  (expression
+                    (identifier)
+                    (argument_list)))
+                (expression
+                  (identifier)
+                  (argument_list))))))))))
+
+==================
+id literal (expr: #example)
+==================
+
+on click put 'Clicked!' into #example.innerHTML
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (on_feature
+        (event_spec
+          (event_binding
+            (event_name
+              (identifier))))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (put_command
+                (expression
+                  (string))
+                (expression
+                  (id_literal)
+                  (member_access
+                    (identifier)))))))))))
+
+==================
+class literal (expr: .example)
+==================
+
+on click put 'Clicked!' into .example.innerHTML
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (on_feature
+        (event_spec
+          (event_binding
+            (event_name
+              (identifier))))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (put_command
+                (expression
+                  (string))
+                (expression
+                  (class_literal)
+                  (member_access
+                    (identifier)))))))))))
+
+==================
+query literal (expr: <div/>)
+==================
+
+on click put 'Clicked!' into <div/>.innerHTML
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (on_feature
+        (event_spec
+          (event_binding
+            (event_name
+              (identifier))))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (put_command
+                (expression
+                  (string))
+                (expression
+                  (query_literal)
+                  (member_access
+                    (identifier)))))))))))
+
+==================
+query with :not (expr: <div:not(.example)/>)
+==================
+
+on click put 'Clicked!' into <div:not(.example)/>.innerHTML
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (on_feature
+        (event_spec
+          (event_binding
+            (event_name
+              (identifier))))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (put_command
+                (expression
+                  (string))
+                (expression
+                  (query_literal)
+                  (member_access
+                    (identifier)))))))))))
+
+==================
+attribute literal bare (expr: @foo)
+==================
+
+on click put @foo into me
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (on_feature
+        (event_spec
+          (event_binding
+            (event_name
+              (identifier))))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (put_command
+                (expression
+                  (attribute_literal))
+                (expression
+                  (special_identifier))))))))))
+
+==================
+attribute literal in query (expr: [@foo='bar'])
+==================
+
+on click toggle [@foo='bar']
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (on_feature
+        (event_spec
+          (event_binding
+            (event_name
+              (identifier))))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (toggle_command
+                (expression
+                  (attribute_query_literal
+                    (attribute_name)
+                    (expression
+                      (string))))))))))))
+
+==================
+attribute query in for (expr: for anchor in [@href])
+==================
+
+for anchor in [@href]
+  log anchor@href
+end
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (repeat_statement
+          (identifier)
+          (expression
+            (attribute_query_literal
+              (attribute_name)))
+          (command_sequence
+            (command_statement
+              (log_command
+                (expression
+                  (identifier)
+                  (attr_access
+                    (attribute_name)))))))))))
+
+==================
+dynamic id (expr: #{expression})
+==================
+
+on click log #{myId}
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (on_feature
+        (event_spec
+          (event_binding
+            (event_name
+              (identifier))))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (log_command
+                (expression
+                  (templated_id_literal
+                    (expression
+                      (identifier))))))))))))
+
+==================
+dynamic class (expr: .{expression})
+==================
+
+on click toggle .{myClass}
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (on_feature
+        (event_spec
+          (event_binding
+            (event_name
+              (identifier))))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (toggle_command
+                (expression
+                  (templated_class_literal
+                    (expression
+                      (identifier))))))))))))
+
+==================
+style literal (expr: *display)
+==================
+
+on click toggle the *display of the next <p/>
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (on_feature
+        (event_spec
+          (event_binding
+            (event_name
+              (identifier))))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (toggle_command
+                (expression
+                  (of_expression
+                    (the_expression
+                      (style_property))
+                    (the_expression
+                      (query_literal))))))))))))
+
+==================
+time expression ms (expr: 200ms)
+==================
+
+wait 200ms
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (wait_command
+          (time_literal
+            (duration)))))))
+
+==================
+time expression seconds (expr: 2s)
+==================
+
+wait 2s
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (wait_command
+          (time_literal
+            (duration)))))))
+
+==================
+css measurement (docs: DOM literals)
+==================
+
+set x to 10px
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (set_command
+          (expression
+            (identifier))
+          (expression
+            (css_measurement)))))))
+
+==================
+possessive with 's (poss: the window's location)
+==================
+
+on click put the window's location into me
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (on_feature
+        (event_spec
+          (event_binding
+            (event_name
+              (identifier))))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (put_command
+                (expression
+                  (the_expression
+                    (identifier))
+                  (possessive_access
+                    (identifier)))
+                (expression
+                  (special_identifier))))))))))
+
+==================
+possessive x's name (poss: x's name)
+==================
+
+log x's name
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (log_command
+          (expression
+            (identifier)
+            (possessive_access
+              (identifier))))))))
+
+==================
+possessive its (docs: its property)
+==================
+
+set divs to <div/>
+set divParents to divs.parentElement
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (set_command
+          (expression
+            (identifier))
+          (expression
+            (query_literal))))
+      (command_statement
+        (set_command
+          (expression
+            (identifier))
+          (expression
+            (identifier)
+            (member_access
+              (identifier))))))))
+
+==================
+pronoun my (docs: my.style.color)
+==================
+
+set my.style.color to 'red'
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (set_command
+          (expression
+            (pronoun_possessive_primary
+              (identifier)
+              (identifier)))
+          (expression
+            (string)))))))
+
+==================
+my property chain (docs: my.style.color)
+==================
+
+log my.style.color
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (log_command
+          (expression
+            (pronoun_possessive_primary
+              (identifier)
+              (identifier))))))))
+
+==================
+put into my.innerHTML (docs: put into my.innerHTML)
+==================
+
+put it into my.innerHTML
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (put_command
+          (expression
+            (special_identifier))
+          (expression
+            (pronoun_possessive_primary
+              (identifier))))))))
+
+==================
+possessive attribute (poss: anchor's @href)
+==================
+
+for anchor in <a/>
+  log the anchor's @href
+end
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (repeat_statement
+          (identifier)
+          (expression
+            (query_literal))
+          (command_sequence
+            (command_statement
+              (log_command
+                (expression
+                  (the_expression
+                    (identifier))
+                  (possessive_access
+                    (attribute_name)))))))))))
+
+==================
+of expression (expr: the name of x)
+==================
+
+set x to {name: "Joe", age: 35}
+log the name of x
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (set_command
+          (expression
+            (identifier))
+          (expression
+            (object_literal
+              (object_pair
+                (identifier)
+                (expression
+                  (string)))
+              (object_pair
+                (identifier)
+                (expression
+                  (number)))))))
+      (command_statement
+        (log_command
+          (expression
+            (of_expression
+              (the_expression
+                (identifier))
+              (identifier))))))))
+
+==================
+of expression location (expr: the location of window)
+==================
+
+reload() the location of the window
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (invocation_command
+          (identifier)
+          (argument_list)
+          (expression
+            (of_expression
+              (the_expression
+                (identifier))
+              (the_expression
+                (identifier)))))))))
+
+==================
+closest query (clos: closest <section/>)
+==================
+
+on click add .clicked to the closest <section/>
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (on_feature
+        (event_spec
+          (event_binding
+            (event_name
+              (identifier))))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (add_command
+                (expression
+                  (class_literal))
+                (expression
+                  (the_expression
+                    (closest_expression
+                      (query_literal))))))))))))
+
+==================
+closest parent (clos: closest parent <div/>)
+==================
+
+on click log the closest parent <div/>
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (on_feature
+        (event_spec
+          (event_binding
+            (event_name
+              (identifier))))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (log_command
+                (expression
+                  (the_expression
+                    (closest_expression
+                      (query_literal))))))))))))
+
+==================
+closest attribute (clos: closest @data-example)
+==================
+
+on click log the closest @data-example
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (on_feature
+        (event_spec
+          (event_binding
+            (event_name
+              (identifier))))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (log_command
+                (expression
+                  (the_expression
+                    (closest_expression
+                      (attribute_literal))))))))))))
+
+==================
+first positional (pos: first <section/>)
+==================
+
+on click log the first <section/>
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (on_feature
+        (event_spec
+          (event_binding
+            (event_name
+              (identifier))))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (log_command
+                (expression
+                  (the_expression
+                    (positional_expression
+                      (query_literal))))))))))))
+
+==================
+last positional (pos: last in me)
+==================
+
+on click log last in me
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (on_feature
+        (event_spec
+          (event_binding
+            (event_name
+              (identifier))))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (log_command
+                (expression
+                  (positional_expression
+                    (in_expression
+                      (special_identifier))))))))))))
+
+==================
+random positional (pos: random in myArr)
+==================
+
+log random in myArr
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (log_command
+          (expression
+            (positional_expression
+              (in_expression
+                (identifier)))))))))
+
+==================
+next relative (rel: next <div.header/>)
+==================
+
+on click add .focused to the next <div.header/>
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (on_feature
+        (event_spec
+          (event_binding
+            (event_name
+              (identifier))))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (add_command
+                (expression
+                  (class_literal))
+                (expression
+                  (the_expression
+                    (query_literal)))))))))))
+
+==================
+previous relative (rel: previous)
+==================
+
+on click log the previous <input/>
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (on_feature
+        (event_spec
+          (event_binding
+            (event_name
+              (identifier))))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (log_command
+                (expression
+                  (the_expression
+                    (query_literal)))))))))))
+
+==================
+next output (docs: put into the next <output/>)
+==================
+
+on click increment :x then put it into the next <output/>
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (on_feature
+        (event_spec
+          (event_binding
+            (event_name
+              (identifier))))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (generic_command
+                (identifier)
+                (identifier)))
+            (command_statement
+              (put_command
+                (expression
+                  (special_identifier))
+                (expression
+                  (the_expression
+                    (query_literal)))))))))))
+
+==================
+in expression (expr: <p/> in me)
+==================
+
+on click put 'Clicked!' into (<p/> in me).innerHTML
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (on_feature
+        (event_spec
+          (event_binding
+            (event_name
+              (identifier))))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (put_command
+                (expression
+                  (string))
+                (expression
+                  (parenthesized_expression
+                    (expression
+                      (query_literal)
+                      (in_expression
+                        (special_identifier))))
+                  (member_access
+                    (identifier)))))))))))
+
+==================
+in query (expr: .example in me)
+==================
+
+log no .example in me
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (log_command
+          (expression
+            (unary_expression
+              (class_literal)
+              (in_expression
+                (special_identifier)))))))))
+
+==================
+as Int (expr: conversions)
+==================
+
+get the (value of the next <input/>) as an Int
+increment it
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (call_command
+          (expression
+            (the_expression
+              (parenthesized_expression
+                (expression
+                  (of_expression
+                    (identifier)
+                    (the_expression
+                      (query_literal))))))
+            (as_expression
+              (identifier)))))
+      (command_statement
+        (generic_command
+          (identifier)
+          (special_identifier))))))
+
+==================
+as String (expr: as String)
+==================
+
+log 10 as String
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (log_command
+          (expression
+            (number)
+            (as_expression
+              (identifier))))))))
+
+==================
+as Float (expr: as Float)
+==================
+
+log "10.3" as Float
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (log_command
+          (expression
+            (string)
+            (as_expression
+              (identifier))))))))
+
+==================
+> comparison (docs: x > 10)
+==================
+
+if x > 10
+  log x
+end
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (if_statement
+          (expression
+            (comparison_expression
+              (identifier)
+              (comparison_operator)
+              (number)))
+          (command_sequence
+            (command_statement
+              (log_command
+                (expression
+                  (identifier))))))))))
+
+==================
+is comparison (expr: a is b)
+==================
+
+if x is 1
+  log 'one'
+end
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (if_statement
+          (expression
+            (comparison_expression
+              (identifier)
+              (comparison_operator)
+              (number)))
+          (command_sequence
+            (command_statement
+              (log_command
+                (expression
+                  (string))))))))))
+
+==================
+is not (expr: a is not b)
+==================
+
+if x is not 1
+  log 'not one'
+end
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (if_statement
+          (expression
+            (comparison_expression
+              (identifier)
+              (comparison_operator)
+              (number)))
+          (command_sequence
+            (command_statement
+              (log_command
+                (expression
+                  (string))))))))))
+
+==================
+am comparison (docs: if I am the result)
+==================
+
+get chosenElement()
+if I am the result then remove me
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (call_command
+          (expression
+            (identifier)
+            (argument_list))))
+      (command_statement
+        (if_statement
+          (expression
+            (comparison_expression
+              (special_identifier)
+              (comparison_operator)
+              (the_expression
+                (special_identifier))))
+          (command_sequence
+            (command_statement
+              (remove_command
+                (expression
+                  (special_identifier))))))))))
+
+==================
+match comparison (expr: I match <:checked/>)
+==================
+
+if I match <:checked/> and the closest <form/> is <:focus/>
+  add .highlight to the closest <form/>
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (if_statement
+          (expression
+            (logical_expression
+              (comparison_expression
+                (special_identifier)
+                (comparison_operator)
+                (query_literal))
+              (comparison_expression
+                (the_expression
+                  (closest_expression
+                    (query_literal)))
+                (comparison_operator)
+                (query_literal))))
+          (command_sequence
+            (command_statement
+              (add_command
+                (expression
+                  (class_literal))
+                (expression
+                  (the_expression
+                    (closest_expression
+                      (query_literal))))))))))))
+
+==================
+contains comparison (expr: it contains)
+==================
+
+if it contains <:focus/>
+  log 'has focus'
+end
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (if_statement
+          (expression
+            (comparison_expression
+              (special_identifier)
+              (comparison_operator)
+              (query_literal)))
+          (command_sequence
+            (command_statement
+              (log_command
+                (expression
+                  (string))))))))))
+
+==================
+is greater than (expr: x is greater than y)
+==================
+
+if @data-counter as Int is greater than 4
+  add @disabled
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (if_statement
+          (expression
+            (comparison_expression
+              (attribute_literal)
+              (as_expression
+                (identifier))
+              (comparison_operator)
+              (number)))
+          (command_sequence
+            (command_statement
+              (add_command
+                (expression
+                  (attribute_literal))))))))))
+
+==================
+is less than (expr: x is less than y)
+==================
+
+if x is less than 5
+  log x
+end
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (if_statement
+          (expression
+            (comparison_expression
+              (identifier)
+              (comparison_operator)
+              (number)))
+          (command_sequence
+            (command_statement
+              (log_command
+                (expression
+                  (identifier))))))))))
+
+==================
+is empty (comp: is empty)
+==================
+
+if myArray is empty
+  log 'empty'
+end
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (if_statement
+          (expression
+            (comparison_expression
+              (identifier)
+              (comparison_operator)
+              (empty_value)))
+          (command_sequence
+            (command_statement
+              (log_command
+                (expression
+                  (string))))))))))
+
+==================
+is not empty (comp: is not empty)
+==================
+
+if x is not empty
+  log x
+end
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (if_statement
+          (expression
+            (comparison_expression
+              (identifier)
+              (comparison_operator)
+              (empty_value)))
+          (command_sequence
+            (command_statement
+              (log_command
+                (expression
+                  (identifier))))))))))
+
+==================
+exists (comp: exists)
+==================
+
+if x exists
+  log x
+end
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (if_statement
+          (expression
+            (identifier)
+            (exists_expression))
+          (command_sequence
+            (command_statement
+              (log_command
+                (expression
+                  (identifier))))))))))
+
+==================
+do not match (expr: does not match)
+==================
+
+if I do not match <:hover/>
+  log 'not hovering'
+end
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (if_statement
+          (expression
+            (comparison_expression
+              (special_identifier)
+              (comparison_operator)
+              (query_literal)))
+          (command_sequence
+            (command_statement
+              (log_command
+                (expression
+                  (string))))))))))
+
+==================
+and operator (docs: x and y)
+==================
+
+if x and y
+  log 'both'
+end
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (if_statement
+          (expression
+            (logical_expression
+              (identifier)
+              (identifier)))
+          (command_sequence
+            (command_statement
+              (log_command
+                (expression
+                  (string))))))))))
+
+==================
+or operator (docs: x or y)
+==================
+
+if x or y
+  log 'either'
+end
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (if_statement
+          (expression
+            (logical_expression
+              (identifier)
+              (identifier)))
+          (command_sequence
+            (command_statement
+              (log_command
+                (expression
+                  (string))))))))))
+
+==================
+not operator (docs: not expression)
+==================
+
+if not x
+  log 'falsy'
+end
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (if_statement
+          (expression
+            (unary_expression
+              (identifier)))
+          (command_sequence
+            (command_statement
+              (log_command
+                (expression
+                  (string))))))))))
+
+==================
+no expression (docs: no element.children)
+==================
+
+if no element.children
+  log 'no children'
+end
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (if_statement
+          (expression
+            (unary_expression
+              (identifier)
+              (member_access
+                (identifier))))
+          (command_sequence
+            (command_statement
+              (log_command
+                (expression
+                  (string))))))))))
+
+==================
+no in (expr: no .example in me)
+==================
+
+log no .example in me
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (log_command
+          (expression
+            (unary_expression
+              (class_literal)
+              (in_expression
+                (special_identifier)))))))))
+
+==================
+addition (docs: set sum to x + y)
+==================
+
+set x to 10
+set y to 20
+set sum to x + y
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (set_command
+          (expression
+            (identifier))
+          (expression
+            (number))))
+      (command_statement
+        (set_command
+          (expression
+            (identifier))
+          (expression
+            (number))))
+      (command_statement
+        (set_command
+          (expression
+            (identifier))
+          (expression
+            (math_expression
+              (identifier)
+              (identifier))))))))
+
+==================
+subtraction (docs: set diff to x - y)
+==================
+
+set diff to x - y
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (set_command
+          (expression
+            (identifier))
+          (expression
+            (math_expression
+              (identifier)
+              (identifier))))))))
+
+==================
+multiplication (docs: set product to x * y)
+==================
+
+set product to x * y
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (set_command
+          (expression
+            (identifier))
+          (expression
+            (math_expression
+              (identifier)
+              (identifier))))))))
+
+==================
+mod keyword (docs: set x to 10 mod 3)
+==================
+
+set x to 10 mod 3
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (set_command
+          (expression
+            (identifier))
+          (expression
+            (math_expression
+              (number)
+              (number))))))))
+
+==================
+parenthesized math (docs: (x * x) + (y * y))
+==================
+
+set sumOfSquares to (x * x) + (y * y)
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (set_command
+          (expression
+            (identifier))
+          (expression
+            (math_expression
+              (parenthesized_expression
+                (expression
+                  (math_expression
+                    (identifier)
+                    (identifier))))
+              (parenthesized_expression
+                (expression
+                  (math_expression
+                    (identifier)
+                    (identifier)))))))))))
+
+==================
+block literal (expr: \ s -> s.length)
+==================
+
+set strs to ["a", "ab", "abc"]
+set lens to strs.map( \ s -> s.length )
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (set_command
+          (expression
+            (identifier))
+          (expression
+            (array_literal
+              (expression
+                (string))
+              (expression
+                (string))
+              (expression
+                (string))))))
+      (command_statement
+        (set_command
+          (expression
+            (identifier))
+          (expression
+            (identifier)
+            (member_access
+              (identifier))
+            (argument_list
+              (expression
+                (block_literal
+                  (identifier)
+                  (expression
+                    (identifier)
+                    (member_access
+                      (identifier))))))))))))
+
+==================
+async expression (expr: async waitThenReturn10())
+==================
+
+on click call handleAPromise(async waitThenReturn10())
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (on_feature
+        (event_spec
+          (event_binding
+            (event_name
+              (identifier))))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (call_command
+                (expression
+                  (identifier)
+                  (argument_list
+                    (expression
+                      (unary_expression
+                        (identifier)
+                        (argument_list)))))))))))))
+
+==================
+cookies symbol (expr: set cookies.myCookie)
+==================
+
+set cookies.myCookie to 'foo'
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (set_command
+          (expression
+            (identifier)
+            (member_access
+              (identifier)))
+          (expression
+            (string)))))))
+
+==================
+me / my / I (docs: zoo)
+==================
+
+log me
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (log_command
+          (expression
+            (special_identifier)))))))
+
+==================
+it / result (docs: zoo)
+==================
+
+fetch /data then log it
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (fetch_command
+          (naked_string)))
+      (command_statement
+        (log_command
+          (expression
+            (special_identifier)))))))
+
+==================
+event (docs: zoo)
+==================
+
+on click log event
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (on_feature
+        (event_spec
+          (event_binding
+            (event_name
+              (identifier))))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (log_command
+                (expression
+                  (special_identifier))))))))))
+
+==================
+target (docs: zoo)
+==================
+
+on click log target
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (on_feature
+        (event_spec
+          (event_binding
+            (event_name
+              (identifier))))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (log_command
+                (expression
+                  (identifier))))))))))
+
+==================
+body (docs: zoo)
+==================
+
+on click log body
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (on_feature
+        (event_spec
+          (event_binding
+            (event_name
+              (identifier))))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (log_command
+                (expression
+                  (identifier))))))))))
+
+==================
+cook: concat two strings (cook: hello world)
+==================
+
+on click set my.innerText to #first.innerText + ' ' + #second.innerText
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (on_feature
+        (event_spec
+          (event_binding
+            (event_name
+              (identifier))))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (set_command
+                (expression
+                  (pronoun_possessive_primary
+                    (identifier)))
+                (expression
+                  (math_expression
+                    (math_expression
+                      (id_literal)
+                      (member_access
+                        (identifier))
+                      (string))
+                    (id_literal)
+                    (member_access
+                      (identifier))))))))))))
+
+==================
+cook: set indeterminate (cook: checkbox)
+==================
+
+on load set my.indeterminate to true
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (on_feature
+        (event_spec
+          (event_binding
+            (event_name
+              (identifier))))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (set_command
+                (expression
+                  (pronoun_possessive_primary
+                    (identifier)))
+                (expression
+                  (boolean))))))))))
+
+==================
+cook: drag start (cook: drag-n-drop)
+==================
+
+on dragstart call event.dataTransfer.setData('text/plain',target.textContent)
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (on_feature
+        (event_spec
+          (event_binding
+            (event_name
+              (identifier))))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (call_command
+                (expression
+                  (special_identifier)
+                  (member_access
+                    (identifier))
+                  (member_access
+                    (identifier))
+                  (argument_list
+                    (expression
+                      (string))
+                    (expression
+                      (identifier)
+                      (member_access
+                        (identifier)))))))))))))
+
+==================
+cook: drag over halt (cook: drag-n-drop)
+==================
+
+on dragover or dragenter halt the event
+  then set the target's style.background to 'lightgray'
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (on_feature
+        (event_spec
+          (event_binding
+            (event_name
+              (identifier)))
+          (event_binding
+            (event_name
+              (identifier))))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (halt_command
+                (expression
+                  (the_expression
+                    (special_identifier)))))
+            (command_statement
+              (set_command
+                (expression
+                  (the_expression
+                    (identifier))
+                  (possessive_access
+                    (identifier))
+                  (member_access
+                    (identifier)))
+                (expression
+                  (string))))))))))
+
+==================
+cook: event filter altKey (cook: event filter)
+==================
+
+on click[event.altKey] remove .primary then settle then add .primary
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (on_feature
+        (event_spec
+          (event_binding
+            (event_name
+              (identifier))
+            (filter_clause
+              (expression
+                (special_identifier)
+                (member_access
+                  (identifier))))))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (remove_command
+                (expression
+                  (class_literal))))
+            (command_statement
+              (settle_command))
+            (command_statement
+              (add_command
+                (expression
+                  (class_literal))))))))))
+
+==================
+cook: filter table rows (cook: filter)
+==================
+
+on input
+  show <tbody>tr/> in closest <table/>
+    when its textContent.toLowerCase() contains my value.toLowerCase()
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (on_feature
+        (event_spec
+          (event_binding
+            (event_name
+              (identifier))))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (show_command
+                (expression
+                  (query_literal))
+                (expression
+                  (closest_expression
+                    (query_literal)))
+                (expression
+                  (comparison_expression
+                    (pronoun_possessive_primary
+                      (identifier)
+                      (identifier))
+                    (argument_list)
+                    (comparison_operator)
+                    (pronoun_possessive_primary
+                      (identifier)
+                      (identifier))
+                    (argument_list)))))))))))
+
+==================
+time milliseconds (expr: verbose time)
+==================
+
+wait 500 milliseconds
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (wait_command
+          (time_literal
+            (duration
+              (number))))))))
+
+==================
+time seconds (expr: verbose seconds)
+==================
+
+wait 3 seconds
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (wait_command
+          (time_literal
+            (duration
+              (number))))))))
+
+==================
+as Number (expr: as Number)
+==================
+
+set n to value as Number
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (set_command
+          (expression
+            (identifier))
+          (expression
+            (identifier)
+            (as_expression
+              (identifier))))))))
+
+==================
+as Date (expr: as Date)
+==================
+
+set d to value as Date
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (set_command
+          (expression
+            (identifier))
+          (expression
+            (identifier)
+            (as_expression
+              (identifier))))))))
+
+==================
+as Array (expr: as Array)
+==================
+
+set a to x as Array
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (set_command
+          (expression
+            (identifier))
+          (expression
+            (identifier)
+            (as_expression
+              (identifier))))))))
+
+==================
+!= operator (expr: not equal)
+==================
+
+if x != null log x
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (if_statement
+          (expression
+            (comparison_expression
+              (identifier)
+              (comparison_operator)
+              (null)))
+          (command_sequence
+            (command_statement
+              (log_command
+                (expression
+                  (identifier))))))))))
+
+==================
+<= operator (expr: less than or equal)
+==================
+
+if x <= 10 log x
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (if_statement
+          (expression
+            (comparison_expression
+              (identifier)
+              (comparison_operator)
+              (number)))
+          (command_sequence
+            (command_statement
+              (log_command
+                (expression
+                  (identifier))))))))))
+
+==================
+>= operator (expr: greater than or equal)
+==================
+
+if x >= 10 log x
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (if_statement
+          (expression
+            (comparison_expression
+              (identifier)
+              (comparison_operator)
+              (number)))
+          (command_sequence
+            (command_statement
+              (log_command
+                (expression
+                  (identifier))))))))))
+
+==================
+am not (expr: am not)
+==================
+
+if I am not .active log "not active"
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (if_statement
+          (expression
+            (comparison_expression
+              (special_identifier)
+              (comparison_operator)
+              (class_literal)))
+          (command_sequence
+            (command_statement
+              (log_command
+                (expression
+                  (string))))))))))
+
+==================
+does not contain (expr: does not contain)
+==================
+
+if str does not contain "foo" log "nope"
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (if_statement
+          (expression
+            (comparison_expression
+              (identifier)
+              (comparison_operator)
+              (string)))
+          (command_sequence
+            (command_statement
+              (log_command
+                (expression
+                  (string))))))))))
+
+==================
+includes (expr: includes operator)
+==================
+
+if list includes item log "found"
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (if_statement
+          (expression
+            (comparison_expression
+              (identifier)
+              (comparison_operator)
+              (identifier)))
+          (command_sequence
+            (command_statement
+              (log_command
+                (expression
+                  (string))))))))))
+
+==================
+does not include (expr: does not include)
+==================
+
+if list does not include item log "not found"
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (if_statement
+          (expression
+            (comparison_expression
+              (identifier)
+              (comparison_operator)
+              (identifier)))
+          (command_sequence
+            (command_statement
+              (log_command
+                (expression
+                  (string))))))))))
+
+==================
+is a (expr: type check)
+==================
+
+if x is a String log "string"
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (if_statement
+          (expression
+            (comparison_expression
+              (identifier)
+              (comparison_operator)
+              (identifier)))
+          (command_sequence
+            (command_statement
+              (log_command
+                (expression
+                  (string))))))))))
+
+==================
+is not a (expr: type check negated)
+==================
+
+if x is not a Number log "not a number"
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (if_statement
+          (expression
+            (comparison_expression
+              (identifier)
+              (comparison_operator)
+              (identifier)))
+          (command_sequence
+            (command_statement
+              (log_command
+                (expression
+                  (string))))))))))
+
+==================
+is in (expr: membership check)
+==================
+
+if x is in myArray log "found"
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (if_statement
+          (expression
+            (comparison_expression
+              (identifier)
+              (comparison_operator)
+              (identifier)))
+          (command_sequence
+            (command_statement
+              (log_command
+                (expression
+                  (string))))))))))
+
+==================
+equals (expr: equals operator)
+==================
+
+if x equals y log "equal"
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (if_statement
+          (expression
+            (comparison_expression
+              (identifier)
+              (comparison_operator)
+              (identifier)))
+          (command_sequence
+            (command_statement
+              (log_command
+                (expression
+                  (string))))))))))
+
+==================
+really equals (expr: strict equals)
+==================
+
+if x really equals y log "really equal"
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (if_statement
+          (expression
+            (comparison_expression
+              (identifier)
+              (comparison_operator)
+              (identifier)))
+          (command_sequence
+            (command_statement
+              (log_command
+                (expression
+                  (string))))))))))
+
+==================
+is equal to (expr: verbose equality)
+==================
+
+if x is equal to y log "equal"
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (if_statement
+          (expression
+            (comparison_expression
+              (identifier)
+              (comparison_operator)
+              (identifier)))
+          (command_sequence
+            (command_statement
+              (log_command
+                (expression
+                  (string))))))))))
+
+==================
+is not equal to (expr: verbose inequality)
+==================
+
+if x is not equal to y log "not equal"
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (if_statement
+          (expression
+            (comparison_expression
+              (identifier)
+              (comparison_operator)
+              (identifier)))
+          (command_sequence
+            (command_statement
+              (log_command
+                (expression
+                  (string))))))))))
+
+==================
+is really equal to (expr: verbose strict equality)
+==================
+
+if x is really equal to y log "really equal"
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (if_statement
+          (expression
+            (comparison_expression
+              (identifier)
+              (comparison_operator)
+              (identifier)))
+          (command_sequence
+            (command_statement
+              (log_command
+                (expression
+                  (string))))))))))
+
+==================
+operator === (expr: strict equality)
+==================
+
+if x === y log "strict equal"
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (if_statement
+          (expression
+            (comparison_expression
+              (identifier)
+              (comparison_operator)
+              (identifier)))
+          (command_sequence
+            (command_statement
+              (log_command
+                (expression
+                  (string))))))))))
+
+==================
+is not really equal to (expr: verbose strict inequality)
+==================
+
+if x is not really equal to y log "nope"
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (if_statement
+          (expression
+            (comparison_expression
+              (identifier)
+              (comparison_operator)
+              (identifier)))
+          (command_sequence
+            (command_statement
+              (log_command
+                (expression
+                  (string))))))))))
+
+==================
+is greater than or equal to (expr: >=)
+==================
+
+if x is greater than or equal to 10 log "big"
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (if_statement
+          (expression
+            (comparison_expression
+              (identifier)
+              (comparison_operator)
+              (number)))
+          (command_sequence
+            (command_statement
+              (log_command
+                (expression
+                  (string))))))))))
+
+==================
+is less than or equal to (expr: <=)
+==================
+
+if x is less than or equal to 10 log "small"
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (if_statement
+          (expression
+            (comparison_expression
+              (identifier)
+              (comparison_operator)
+              (number)))
+          (command_sequence
+            (command_statement
+              (log_command
+                (expression
+                  (string))))))))))
+
+==================
+closest without the (expr: closest bare)
+==================
+
+log closest <section/>
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (log_command
+          (expression
+            (closest_expression
+              (query_literal))))))))
+
+==================
+first from (expr: first from query)
+==================
+
+log first from <div/>
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (log_command
+          (expression
+            (positional_expression
+              (query_literal))))))))
+
+==================
+cookies bracket notation (expr: cookies['key'])
+==================
+
+set val to cookies['My-Cookie']
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (set_command
+          (expression
+            (identifier))
+          (expression
+            (identifier)
+            (index_access
+              (expression
+                (string)))))))))
+
+==================
+cookies clear (expr: cookies.clear())
+==================
+
+call cookies.clear()
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (call_command
+          (expression
+            (identifier)
+            (member_access
+              (identifier))
+            (argument_list)))))))
+
+==================
+cookies clearAll (expr: cookies.clearAll())
+==================
+
+call cookies.clearAll()
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (call_command
+          (expression
+            (identifier)
+            (member_access
+              (identifier))
+            (argument_list)))))))
+
+==================
+sender magic value (expr: sender)
+==================
+
+on myEvent log sender
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (on_feature
+        (event_spec
+          (event_binding
+            (event_name
+              (identifier))))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (log_command
+                (expression
+                  (identifier))))))))))
+
+==================
+detail magic value (expr: event.detail)
+==================
+
+on myEvent log detail
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (on_feature
+        (event_spec
+          (event_binding
+            (event_name
+              (identifier))))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (log_command
+                (expression
+                  (identifier))))))))))
+
+==================
+elsewhere (expr: elsewhere)
+==================
+
+on click from elsewhere log "elsewhere"
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (on_feature
+        (event_spec
+          (event_binding
+            (event_name
+              (identifier))
+            (expression
+              (identifier))))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (log_command
+                (expression
+                  (string))))))))))
+
+==================
+block literal no params (expr: \ -> body)
+==================
+
+set fn to \ -> 42
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (set_command
+          (expression
+            (identifier))
+          (expression
+            (block_literal
+              (expression
+                (number)))))))))
+
+==================
+does not exist (expr: negated exists)
+==================
+
+if x does not exist log "missing"
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (if_statement
+          (expression
+            (not_exists_expression
+              (identifier)))
+          (command_sequence
+            (command_statement
+              (log_command
+                (expression
+                  (string))))))))))
+
+==================
+possessive attribute stringLike (poss: x's attribute 'data-demo')
+==================
+
+put #foo's attribute 'data-demo' into me
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (put_command
+          (expression
+            (id_literal)
+            (possessive_access
+              (string_like
+                (string))))
+          (expression
+            (special_identifier)))))))
+
+==================
+css measurement percent (expr: 100%)
+==================
+
+set x to 100%
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (set_command
+          (expression
+            (identifier))
+          (expression
+            (css_measurement)))))))
+
+==================
+next from expression (rel: next <div/> from me)
+==================
+
+on click log the next <div/> from me
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (on_feature
+        (event_spec
+          (event_binding
+            (event_name
+              (identifier))))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (log_command
+                (expression
+                  (the_expression
+                    (query_literal)
+                    (expression
+                      (special_identifier))))))))))))
+
+==================
+next within wrapping (rel: within with wrapping)
+==================
+
+on click log the next <input/> from me within <form/> with wrapping
+
+---
+
+(source_file
+  (feature_script
+    (feature_sequence
+      (on_feature
+        (event_spec
+          (event_binding
+            (event_name
+              (identifier))))
+        (feature_body
+          (command_sequence
+            (command_statement
+              (log_command
+                (expression
+                  (the_expression
+                    (query_literal)
+                    (expression
+                      (special_identifier))
+                    (expression
+                      (query_literal))))))))))))
+
+==================
+block literal two params (expr: \ x, y -> x + y)
+==================
+
+set fn to \ x, y -> x + y
+
+---
+
+(source_file
+  (command_script
+    (command_sequence_top
+      (command_statement
+        (set_command
+          (expression
+            (identifier))
+          (expression
+            (block_literal
+              (identifier)
+              (identifier)
+              (expression
+                (math_expression
+                  (identifier)
+                  (identifier))))))))))