Update runtime files.

runtime/ftplugin/tidy.vim

@@ -0,0 +1,32 @@
+" Vim filetype plugin file
+" Language:	HMTL Tidy Configuration
+" Maintainer:	Doug Kearns <dougkearns@gmail.com>
+" Last Change:	2020 Sep 4
+
+if exists("b:did_ftplugin")
+  finish
+endif
+let b:did_ftplugin = 1
+
+let s:cpo_save = &cpo
+set cpo&vim
+
+setlocal comments=:#,://
+setlocal commentstring=#\ %s
+setlocal formatoptions-=t formatoptions+=croql
+
+if (has("gui_win32") || has("gui_gtk")) && !exists("b:browsefilter")
+  let b:browsefilter = "HTML Tidy Files (tidyrc, .tidyrc, tidy.conf)\ttidyrc;.tidyrc;tidy.conf\n" .
+		     \ "HTML Files (*.html, *.htm)\t*.html;*.htm\n" .
+		     \ "XHTML Files (*.xhtml, *.xhtm)\t*.xhtml;*.xhtm\n" .
+		     \ "XML Files (*.xml)\t*.xml\n" .
+		     \ "All Files (*.*)\t*.*\n"
+endif
+
+let b:undo_ftplugin = "setl fo< com< cms<" .
+		    \ " | unlet! b:browsefilter"
+
+let &cpo = s:cpo_save
+unlet s:cpo_save
+
+" vim: nowrap sw=2 sts=2 ts=8