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/fish.vim b/runtime/ftplugin/fish.vim
index f06ad3a..55d7ea8 100644
--- a/runtime/ftplugin/fish.vim
+++ b/runtime/ftplugin/fish.vim
@@ -4,6 +4,7 @@
 " Repository:   https://github.com/nickeb96/fish.vim
 " Last Change:  February 1, 2023
 "               2023 Aug 28 by Vim Project (undo_ftplugin)
+"               2024 May 23 by Riley Bruins <ribru17@gmail.com> ('commentstring')
 
 if exists("b:did_ftplugin")
     finish
@@ -12,7 +13,7 @@
 
 setlocal iskeyword=@,48-57,_,192-255,-,.
 setlocal comments=:#
-setlocal commentstring=#%s
+setlocal commentstring=#\ %s
 setlocal formatoptions+=crjq
 
 let b:undo_ftplugin = "setl cms< com< fo< isk<"