Update README.md

tschaedler · web-flow · commit eef10c8b98e9 · 2021-07-22T10:54:37.000+02:00
expand ControlChars list.
- add VerticalTab
- add NullChar
- add Back
- add FormFeed
diff --git a/README.md b/README.md
@@ -12,6 +12,10 @@ Especially following partial implementations are available
   * Cr
   * Lf
   * CrLf
+  * VerticalTab
+  * NullChar
+  * Back
+  * FormFeed
 * Strings
   * Space
   * Replace
