diff --git a/runtime/ftplugin/bash.vim b/runtime/ftplugin/bash.vim
index a3d01fc..7bd9787 100644
--- a/runtime/ftplugin/bash.vim
+++ b/runtime/ftplugin/bash.vim
@@ -11,21 +11,10 @@
   finish
 endif
 
+unlet! b:is_sh
+unlet! b:is_kornshell
 let b:is_bash = 1
-if exists("b:is_sh")
-  unlet b:is_sh
-endif
-if exists("b:is_kornshell")
-  unlet b:is_kornshell
-endif
 
-" Setting 'filetype' here directly won't work, since we are being invoked
-" through an autocommand.  Do it later, on the BufWinEnter event.
-augroup bash_filetype
-  au BufWinEnter * call SetBashFt()
-augroup END
+runtime! ftplugin/sh.vim ftplugin/sh_*.vim ftplugin/sh/*.vim
 
-func SetBashFt()
-  au! bash_filetype
-  set ft=sh
-endfunc
+" vim: ts=8
diff --git a/runtime/ftplugin/man.vim b/runtime/ftplugin/man.vim
index 4591c47..cbace44 100644
--- a/runtime/ftplugin/man.vim
+++ b/runtime/ftplugin/man.vim
@@ -1,7 +1,7 @@
 " Vim filetype plugin file
 " Language:	man
 " Maintainer:	SungHyun Nam <goweol@gmail.com>
-" Last Change: 	2019 Jul 22
+" Last Change: 	2019 Sep 26
 "		(fix by Jason Franklin)
 
 " To make the ":Man" command available before editing a manual page, source
@@ -132,11 +132,17 @@
     let page = expand('<cword>')
   endif
 
-  if sect != "" && s:FindPage(sect, page) == 0
-    let sect = ""
+  if !exists('g:ft_man_no_sect_fallback') || (g:ft_man_no_sect_fallback == 0)
+    if sect != "" && s:FindPage(sect, page) == 0
+      let sect = ""
+    endif
   endif
   if s:FindPage(sect, page) == 0
-    echo "\nCannot find a '".page."'."
+    let msg = "\nNo manual entry for ".page
+    if sect != ""
+      let msg .= " in section ".sect
+    endif
+    echo msg
     return
   endif
   exec "let s:man_tag_buf_".s:man_tag_depth." = ".bufnr("%")
diff --git a/runtime/ftplugin/matlab.vim b/runtime/ftplugin/matlab.vim
index 205111c..a1a282f 100644
--- a/runtime/ftplugin/matlab.vim
+++ b/runtime/ftplugin/matlab.vim
@@ -1,7 +1,7 @@
 " Vim filetype plugin file
 " Language:	matlab
 " Maintainer:	Jake Wasserman <jwasserman at gmail dot com>
-" Last Changed: 2014 Dec 30
+" Last Change: 	2019 Sep 27
 
 " Contributors:
 " Charles Campbell
@@ -24,8 +24,9 @@
 
 setlocal suffixesadd=.m
 setlocal suffixes+=.asv
+setlocal commentstring=%\ %s
 
-let b:undo_ftplugin = "setlocal suffixesadd< suffixes< "
+let b:undo_ftplugin = "setlocal suffixesadd< suffixes< commentstring< "
 	\ . "| unlet! b:match_words"
 
 let &cpo = s:save_cpo