patch 9.1.0464: no whitespace padding in commentstring option in ftplugins

Problem:  no whitespace padding in commentstring option in ftplugins
Solution: Change default to include whitespace padding, update
          existing filetype plugins with the new default value
          (Riley Bruins)

closes: #14843

Signed-off-by: Riley Bruins <ribru17@hotmail.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/runtime/ftplugin/modula2.vim b/runtime/ftplugin/modula2.vim
index 9c1acc2..306688d 100644
--- a/runtime/ftplugin/modula2.vim
+++ b/runtime/ftplugin/modula2.vim
@@ -2,6 +2,7 @@
 " Language:	Modula-2
 " Maintainer:	Doug Kearns <dougkearns@gmail.com>
 " Last Change:	2024 Jan 14
+" 		2024 May 23 by Riley Bruins <ribru17@gmail.com> ('commentstring')
 
 if exists("b:did_ftplugin")
   finish
@@ -17,7 +18,7 @@
   setlocal comments=s:(*,m:\ ,e:*),:!
   setlocal commentstring=!\ %s
 else
-  setlocal commentstring=(*%s*)
+  setlocal commentstring=(*\ %s\ *)
   setlocal comments=s:(*,m:\ ,e:*)
 endif
 setlocal formatoptions-=t formatoptions+=croql