Small fixes

spec/fixtures/gfm-extensions.txt

@@ -538,7 +538,7 @@ size (100) for parsing delimiters in inlines.c
 
 ## Autolinks
 
-```````````````````````````````` example pending
+```````````````````````````````` example autolink pending
 : http://google.com https://google.com
 
 <http://google.com/å> http://google.com/å
@@ -637,7 +637,7 @@ http://🍄.ga/ http://x🍄.ga/
 <p><a href="http://%F0%9F%8D%84.ga/">http://🍄.ga/</a> <a href="http://x%F0%9F%8D%84.ga/">http://x🍄.ga/</a></p>
 ````````````````````````````````
 
-```````````````````````````````` example pending
+```````````````````````````````` example
 This shouldn't crash everything: (_A_@_.A
 .
 <IGNORE>
@@ -800,7 +800,7 @@ Hello[^"><script>alert(1)</script>]
 
 Autolink and strikethrough.
 
-```````````````````````````````` example pending
+```````````````````````````````` example autolink
 ~~www.google.com~~
 
 ~~http://google.com~~
@@ -811,7 +811,7 @@ Autolink and strikethrough.
 
 Autolink and tables.
 
-```````````````````````````````` example pending
+```````````````````````````````` example autolink
 | a | b |
 | --- | --- |
 | https://github.com www.github.com | http://pokemon.com |

spec/spec_helper.cr

@@ -62,6 +62,8 @@ def assert_example(file, section, index, example, smart, gfm = false)
   else
     it "- #{index}\n#{show_space(markdown)}", file, line do
       output = Markd.to_html(markdown, options)
+      next if html == "<IGNORE>\n"
+
       output.should eq(html), file: file, line: line
     end
   end

src/markd/parsers/inline.cr

@@ -978,7 +978,7 @@ module Markd::Parser
       # Trailing punctuation (specifically, `?`, `!`, `.`, `,`, `:`, `*`, `_`, and `~`)
       # will not be considered part of the autolink, though they may be included in the
       # interior of the link
-      while "?!.,:*~_".includes?(text[-1])
+      while (char = text[-1]?) && "?!.,:*~_".includes?(char)
         text = text[0..-2]
       end