explicitly note support for <:name(/pattern/)>

Author: TimToady

S05-regex.pod

@@ -18,7 +18,7 @@ Synopsis 5: Regexes and Rules
     Created: 24 Jun 2002
 
     Last Modified: 9 Feb 2011
-    Version: 142
+    Version: 143
 
 This document summarizes Apocalypse 5, which is about the new regex
 syntax.  We now try to call them I<regex> rather than "regular
@@ -1599,12 +1599,17 @@ The pair value is smartmatched against the value in the Unicode database.
 
     <:Nv(0 ^..^ 1)>     # the char has a proper fractional value
 
-These may be combined with pluses and minuses:
+As a particular case of smartmatching, TR18 section 2.6 is satisfied
+with a pattern as the argument:
 
-    <+ :HexDigit - :Upper >
+    <:name(/^LATIN LETTER.*P$/)>
 
 =item *
 
+Multiple of these terms may be combined with pluses and minuses:
+
+    <+ :HexDigit - :Upper >
+
 Terms may also be combined using C<&> for set intersection, C<|>
 for set union, and C<^> for symmetric set difference.  Parens may be
 used for grouping.  (Square brackets always quote literal characters