patch 9.1.1505: not possible to return completion type for :ex command

Problem:  not possible to return command-line completion type for :ex
          command
Solution: make getcmdcompltype() accept an optional and return the
          command-line completion for that arg (Shougo Matsushita).

closes: #17606

Signed-off-by: Shougo Matsushita <Shougo.Matsu@gmail.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/runtime/doc/version9.txt b/runtime/doc/version9.txt
index f8ddb7f..fcd3b9f 100644
--- a/runtime/doc/version9.txt
+++ b/runtime/doc/version9.txt
@@ -1,4 +1,4 @@
-*version9.txt*  For Vim version 9.1.  Last change: 2025 Jun 28
+*version9.txt*  For Vim version 9.1.  Last change: 2025 Jul 03
 
 
 		  VIM REFERENCE MANUAL    by Bram Moolenaar
@@ -41607,6 +41607,8 @@
 - allow to complete directories from 'cdpath' for |:cd| and similar commands,
   add the "cd_in_path" completion type for e.g. |:command-complete| and
   |getcompletion()|
+- |getcompletion()| now accepts a pat and returns the completion type for the
+  {pat} argument
 - allow to complete shell commands and files using the new shellcmdline
   completion type using |:command-complete| and |getcmdcomplpat()|
 - allow to specify additional attributes in the completion menu (allows to