51980: Add glob qualifier grouping operator to completion

Also improve wording in documentation to make glob qualifier grouping
easier to find by explicit use of terms 'logical OR' and 'logical AND'.

ChangeLog

@@ -1,10 +1,13 @@
 2023-09-20  Oliver Kiddle  <opk@zsh.org>
 
+	* Atte Peltomäki: 51980: Completion/Zsh/Type/_globquals,
+	Doc/Zsh/expn.yo: Add glob qualifier grouping operator to completion
+
 	* Jörg Sommer: 52102: Completion/Debian/Command/_apt:
 	Add subcommand autopurge to apt completion
 
-	* Wesley Schwengle: 52141: Completion/Unix/Command/_git: add trailer
-	token completion for git commit --trailer
+	* Wesley Schwengle: 52141: Completion/Unix/Command/_git:
+	add trailer token completion for git commit --trailer
 
 	* 52163: Completion/Unix/Command/_zfs: completion update for
 	OpenZFS 2.2

Completion/Zsh/Type/_globquals

@@ -268,6 +268,7 @@ case $state in
     "P:prepend word"
     "Y:+ at most ARG matches"
     "[:+ range of files"
+    ",:logical OR"
     "):end of qualifiers"
     "\::modifier"
     )

Doc/Zsh/expn.yo

@@ -3117,9 +3117,10 @@ so both can be used on the same glob expression; for example by writing
 )
 enditem()
 
-More than one of these lists can be combined, separated by commas. The
-whole list matches if at least one of the sublists matches (they are
-`or'ed, the qualifiers in the sublists are `and'ed).  Some qualifiers,
+Multiple consecutive qualifiers are joined into a list by implicit logical AND.
+More than one of these lists can be combined using comma `tt(,)' as logical OR.
+The whole list matches if at least one of the sublists matches.
+Some qualifiers,
 however, affect all matches generated, independent of the sublist in
 which they are given.  These are the qualifiers `tt(M)', `tt(T)',
 `tt(N)', `tt(D)', `tt(n)', `tt(o)', `tt(O)' and the subscripts given