Add more examples of character class ranges.

doc/Language/regexes.pod6

@@ -274,6 +274,10 @@ can put any number of single characters and ranges of characters (expressed
 with two dots between the end points), with or without whitespace.
 
     "abacabadabacaba" ~~ / <[ a .. c 1 2 3 ]> /
+    # Unicode hex codepoint range
+    "ÀÁÂÃÄÅÆ" ~~ / <[ \x[00C0] .. \x[00C6] ]> /
+    # Unicode named codepoint range
+    "ÀÁÂÃÄÅÆ" ~~ / <[ \c[LATIN CAPITAL LETTER A WITH GRAVE] .. \c[LATIN CAPITAL LETTER AE] ]> /
 
 Between the C<< < > >> you can also use the same operators for categories
 (C<+>, C<|>, C<&>, C<->, C<^>) to combine multiple range definitions and