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/pascal.vim b/runtime/ftplugin/pascal.vim
index 9abd7dd..7c800c4 100644
--- a/runtime/ftplugin/pascal.vim
+++ b/runtime/ftplugin/pascal.vim
@@ -3,6 +3,7 @@
 " Maintainer:		Doug Kearns <dougkearns@gmail.com>
 " Previous Maintainer:	Dan Sharp
 " Last Change:		2024 Jan 14
+" 			2024 May 23 by Riley Bruins <ribru17@gmail.com> ('commentstring')
 
 if exists("b:did_ftplugin") | finish | endif
 let b:did_ftplugin = 1
@@ -11,7 +12,7 @@
 set cpo&vim
 
 set comments=s:(*,m:\ ,e:*),s:{,m:\ ,e:}
-set commentstring={%s}
+set commentstring={\ %s\ }
 
 if exists("pascal_delphi")
   set comments+=:///