diff --git a/runtime/ftplugin/man.vim b/runtime/ftplugin/man.vim
index cfcabc3..9e97156 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: 	2017 Nov 11
+" Last Change: 	2018 Jan 15
 
 " To make the ":Man" command available before editing a manual page, source
 " this script from your startup vimrc file.
@@ -39,7 +39,7 @@
 endif
 
 if exists(":Man") != 2
-  com -nargs=+ Man call s:GetPage(<f-args>)
+  com -nargs=+ -complete=shellcmd Man call s:GetPage(<f-args>)
   nmap <Leader>K :call <SID>PreGetPage(0)<CR>
   nmap <Plug>ManPreGetPage :call <SID>PreGetPage(0)<CR>
 endif
@@ -173,7 +173,15 @@
 
   " Ensure Vim is not recursively invoked (man-db does this) when doing ctrl-[
   " on a man page reference by unsetting MANPAGER.
-  silent exec "r !env -u MANPAGER man ".s:GetCmdArg(sect, page)." | col -b"
+  " Some versions of env(1) do not support the '-u' option, and in such case
+  " we set MANPAGER=cat.
+  if !exists('s:env_has_u')
+    call system('env -u x true')
+    let s:env_has_u = (v:shell_error == 0)
+  endif
+  let env_cmd = s:env_has_u ? 'env -u MANPAGER' : 'env MANPAGER=cat'
+  let man_cmd = env_cmd . ' man ' . s:GetCmdArg(sect, page) . ' | col -b'
+  silent exec "r !" . man_cmd
 
   if unsetwidth
     let $MANWIDTH = ''
diff --git a/runtime/ftplugin/nsis.vim b/runtime/ftplugin/nsis.vim
index 949691b..1a35127 100644
--- a/runtime/ftplugin/nsis.vim
+++ b/runtime/ftplugin/nsis.vim
@@ -1,22 +1,43 @@
 " Vim ftplugin file
-" Language:             NSIS script
-" Previous Maintainer:  Nikolai Weibull <now@bitwi.se>
-" Latest Revision:      2008-07-09
-
-let s:cpo_save = &cpo
-set cpo&vim
+" Language:		NSIS script
+" Maintainer:		Ken Takata
+" URL:			https://github.com/k-takata/vim-nsis
+" Previous Maintainer:	Nikolai Weibull <now@bitwi.se>
+" Last Change:		2018-01-26
 
 if exists("b:did_ftplugin")
   finish
 endif
+
+let s:cpo_save = &cpo
+set cpo&vim
+
 let b:did_ftplugin = 1
 
 let b:undo_ftplugin = "setl com< cms< fo< def< inc<"
+      \ " | unlet! b:match_ignorecase b:match_words"
 
 setlocal comments=s1:/*,mb:*,ex:*/,b:#,:; commentstring=;\ %s
 setlocal formatoptions-=t formatoptions+=croql
 setlocal define=^\\s*!define\\%(\\%(utc\\)\\=date\\|math\\)\\=
 setlocal include=^\\s*!include\\%(/NONFATAL\\)\\=
 
+if exists("loaded_matchit")
+  let b:match_ignorecase = 1
+  let b:match_words =
+	\ '\${\%(If\|IfNot\|Unless\)}:\${\%(Else\|ElseIf\|ElseIfNot\|ElseUnless\)}:\${\%(EndIf\|EndUnless\)},' .
+	\ '\${Select}:\${EndSelect},' .
+	\ '\${Switch}:\${EndSwitch},' .
+	\ '\${\%(Do\|DoWhile\|DoUntil\)}:\${\%(Loop\|LoopWhile\|LoopUntil\)},' .
+	\ '\${\%(For\|ForEach\)}:\${Next},' .
+	\ '\<Function\>:\<FunctionEnd\>,' .
+	\ '\<Section\>:\<SectionEnd\>,' .
+	\ '\<SectionGroup\>:\<SectionGroupEnd\>,' .
+	\ '\<PageEx\>:\<PageExEnd\>,' .
+	\ '\${MementoSection}:\${MementoSectionEnd},' .
+	\ '!if\%(\%(macro\)\?n\?def\)\?\>:!else\>:!endif\>,' .
+	\ '!macro\>:!macroend\>'
+endif
+
 let &cpo = s:cpo_save
 unlet s:cpo_save
diff --git a/runtime/ftplugin/python.vim b/runtime/ftplugin/python.vim
index 5492641..56f19cb 100644
--- a/runtime/ftplugin/python.vim
+++ b/runtime/ftplugin/python.vim
@@ -3,7 +3,7 @@
 " Maintainer:	Tom Picton <tom@tompicton.co.uk>
 " Previous Maintainer: James Sully <sullyj3@gmail.com>
 " Previous Maintainer: Johannes Zellner <johannes@zellner.org>
-" Last Change:	Thur, 09 November 2017
+" Last Change:	Wed, 20 December 2017
 " https://github.com/tpict/vim-ftplugin-python
 
 if exists("b:did_ftplugin") | finish | endif
@@ -20,6 +20,9 @@
 setlocal commentstring=#\ %s
 
 setlocal omnifunc=pythoncomplete#Complete
+if has('python3')
+       setlocal omnifunc=python3complete#Complete
+endif
 
 set wildignore+=*.pyc