allow LTMish characters in character classes

S05-regex.pod

@@ -18,7 +18,7 @@ Synopsis 5: Regexes and Rules
     Created: 24 Jun 2002
 
     Last Modified: 9 Feb 2011
-    Version: 143
+    Version: 144
 
 This document summarizes Apocalypse 5, which is about the new regex
 syntax.  We now try to call them I<regex> rather than "regular
@@ -1621,6 +1621,14 @@ semantics.
 
 =item *
 
+Extra long characters may be entered by quoting them and including them
+via intersection.  Any quoted characters will be treated as "longest tokens"
+when appropriate.  Here 'll' would be recognized in preference to 'l':
+
+    / <[ a..z ] | 'ñ' | 'ch' | 'll' | 'rr'>
+
+=item *
+
 The special assertion C<< <.> >> matches any logical grapheme
 (including a Unicode combining character sequences):