diff --git a/runtime/ftplugin/elixir.vim b/runtime/ftplugin/elixir.vim
new file mode 100644
index 0000000..3b38051
--- /dev/null
+++ b/runtime/ftplugin/elixir.vim
@@ -0,0 +1,11 @@
+" Elixir filetype plugin
+" Language: Elixir
+" Maintainer:	Mitchell Hanberg <vimNOSPAM@mitchellhanberg.com>
+" Last Change: 2022 Apr 20
+
+if exists("b:did_ftplugin")
+  finish
+endif
+let b:did_ftplugin = 1
+
+setlocal commentstring=#\ %s
diff --git a/runtime/ftplugin/elm.vim b/runtime/ftplugin/elm.vim
index 1e10346..8c2de19 100644
--- a/runtime/ftplugin/elm.vim
+++ b/runtime/ftplugin/elm.vim
@@ -1,7 +1,7 @@
 " Elm filetype plugin file
 " Language: Elm
 " Maintainer: Andreas Scharf <as@99n.de>
-" Latest Revision: 2020-05-29
+" Latest Revision: 2022-04-25
 
 if exists("b:did_ftplugin")
   finish
@@ -14,5 +14,7 @@
 setlocal comments=s1fl:{-,mb:\ ,ex:-},:--
 setlocal commentstring=--\ %s
 
+let b:undo_ftplugin = "setl com< cms<"
+
 let &cpo = s:cpo_save
 unlet s:cpo_save
diff --git a/runtime/ftplugin/fennel.vim b/runtime/ftplugin/fennel.vim
new file mode 100644
index 0000000..2e50269
--- /dev/null
+++ b/runtime/ftplugin/fennel.vim
@@ -0,0 +1,18 @@
+" Vim filetype plugin file
+" Language:     Fennel
+" Maintainer:   Gregory Anders <greg[NOSPAM]@gpanders.com>
+" Last Update:  2022 Apr 20
+
+if exists('b:did_ftplugin')
+  finish
+endif
+let b:did_ftplugin = 1
+
+setlocal commentstring=;%s
+setlocal comments=:;;,:;
+setlocal formatoptions-=t
+setlocal suffixesadd=.fnl
+setlocal lisp
+setlocal lispwords=accumulate,collect,do,doto,each,eval-compiler,fn,for,icollect,lambda,let,macro,macros,match,match-try,when,while,with-open
+
+let b:undo_ftplugin = 'setlocal commentstring< comments< formatoptions< suffixesadd< lisp< lispwords<'
diff --git a/runtime/ftplugin/masm.vim b/runtime/ftplugin/masm.vim
index 235469a..ab196eb 100644
--- a/runtime/ftplugin/masm.vim
+++ b/runtime/ftplugin/masm.vim
@@ -1,7 +1,7 @@
 " Vim filetype plugin file
 " Language:	Microsoft Macro Assembler (80x86)
 " Maintainer:	Wu Yongwei <wuyongwei@gmail.com>
-" Last Change:	2020-05-09 23:02:05 +0800
+" Last Change:	2022-04-24 21:24:52 +0800
 
 if exists("b:did_ftplugin")
   finish
@@ -15,5 +15,18 @@
 
 setlocal iskeyword=@,48-57,_,36,60,62,63,@-@
 
+" Matchit support
+if !exists('b:match_words')
+  let b:match_words = '^\s*\.IF\>:^\s*\.ELSEIF\>:^\s*\.ELSE\>:^\s*\.ENDIF\>,'
+        \ .. '^\s*\.REPEAT\>:^\s*\.UNTIL\(CXZ\)\?\>,'
+        \ .. '^\s*\.WHILE\>:^\s*\.ENDW\>,'
+        \ .. '^\s*IF\(1\|2\|E\|DEF\|NDEF\|B\|NB\|IDNI\?\|DIFI\?\)\?\>:^\s*ELSEIF\(1\|2\|E\|DEF\|NDEF\|B\|NB\|IDNI\?\|DIFI\?\)\?\>:^\s*ELSE\>:^\s*ENDIF\>,'
+        \ .. '\(\<MACRO\>\|^\s*%\?\s*FORC\?\>\|^\s*REPEAT\>\|^\s*WHILE\):^\s*ENDM\>,'
+        \ .. '\<PROC\>:\<ENDP\>,'
+        \ .. '\<SEGMENT\>:\<ENDS\>'
+  let b:match_ignorecase = 1
+  let b:undo_ftplugin ..= " | unlet! b:match_ignorecase b:match_words"
+endif
+
 let &cpo = s:cpo_save
 unlet s:cpo_save
diff --git a/runtime/ftplugin/reva.vim b/runtime/ftplugin/reva.vim
index 05c8bc3..29ecab0 100644
--- a/runtime/ftplugin/reva.vim
+++ b/runtime/ftplugin/reva.vim
@@ -1,7 +1,7 @@
 " Vim ftplugin file
 " Language:	Reva Forth
 " Version:	7.1
-" Last Change:	2008/01/11
+" Last Change:	2022 Apr 27
 " Maintainer:	Ron Aaron <ron@ronware.org>
 " URL:		http://ronware.org/reva/
 " Filetypes:	*.rf *.frt 
@@ -23,3 +23,5 @@
 setlocal fo=tcrqol
 setlocal matchpairs+=\::;
 setlocal iskeyword=!,@,33-35,%,$,38-64,A-Z,91-96,a-z,123-126,128-255
+
+let b:undo_ftplugin = "setlocal sts< sw< com< fo< mps< isk<"
diff --git a/runtime/ftplugin/xslt.vim b/runtime/ftplugin/xslt.vim
index 9d2def1..47e78eb 100644
--- a/runtime/ftplugin/xslt.vim
+++ b/runtime/ftplugin/xslt.vim
@@ -1,18 +1,18 @@
 " Vim filetype plugin file
-" Language:	xslt
-"
-" This runtime file is looking for a new maintainer.
-"
-" Former maintainer:	Dan Sharp
-" Last Changed: 20 Jan 2009
+" Language:		XSLT
+" Maintainer:		Doug Kearns <dougkearns@gmail.com>
+" Previous Maintainer:	Dan Sharp
+" Last Change:		2022 Apr 25
 
-if exists("b:did_ftplugin") | finish | endif
+if exists("b:did_ftplugin")
+  finish
+endif
 
 runtime! ftplugin/xml.vim ftplugin/xml_*.vim ftplugin/xml/*.vim
 
 let b:did_ftplugin = 1
 
 " Change the :browse e filter to primarily show xsd-related files.
-if has("gui_win32") && exists("b:browsefilter")
-    let  b:browsefilter="XSLT Files (*.xsl,*.xslt)\t*.xsl;*.xslt\n" . b:browsefilter
+if (has("gui_win32") || has("gui_gtk")) && exists("b:browsefilter")
+  let b:browsefilter = "XSLT Files (*.xsl,*.xslt)\t*.xsl;*.xslt\n" . b:browsefilter
 endif