patch 9.1.1250: cannot set the maximum popup menu width

Problem:  cannot set the maximum popup menu width
          (Lucas Mior)
Solution: add the new global option value 'pummaxwidth'
          (glepnir)

fixes: #10901
closes: #16943

Signed-off-by: glepnir <glephunter@gmail.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/runtime/doc/version9.txt b/runtime/doc/version9.txt
index 5868598..0e9a508 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 Mar 26
+*version9.txt*  For Vim version 9.1.  Last change: 2025 Mar 27
 
 
 		  VIM REFERENCE MANUAL    by Bram Moolenaar
@@ -41627,6 +41627,7 @@
 - 'rulerformat' now supports the |stl-%!| item
 - use 'smoothscroll' logic for CTRL-F / CTRL-B for pagewise scrolling
   and CTRL-D / CTRL-U for half-pagewise scrolling
+- 'pummaxwidth' maximum width for the completion popup menu
 
 Ex commands: ~
 - allow to specify a priority when defining a new sign |:sign-define|