made the pack completely portable and wrote relevent bat files to go with it

gitportable/usr/share/vim/vim91/ftplugin/xhtml.vim

@@ -0,0 +1,74 @@
+" Vim filetype plugin file
+" Language:		xhtml
+"
+" This runtime file is looking for a new maintainer.
+"
+" Former maintainer:	Dan Sharp
+" Last Changed: 	2009 Jan 20
+"			2024 Jan 14 by Vim Project (browsefilter)
+
+if exists("b:did_ftplugin") | finish | endif
+
+" Make sure the continuation lines below do not cause problems in
+" compatibility mode.
+let s:save_cpo = &cpo
+set cpo-=C
+
+" Define some defaults in case the included ftplugins don't set them.
+let s:undo_ftplugin = ""
+let s:browsefilter = "HTML Files (*.html, *.htm)\t*.html;*.htm\n" .
+	    \	     "XML Files (*.xml)\t*.xml\n"
+if has("win32")
+    let s:browsefilter .= "All Files (*.*)\t*\n"
+else
+    let s:browsefilter .= "All Files (*)\t*\n"
+endif
+let s:match_words = ""
+
+runtime! ftplugin/xml.vim ftplugin/xml_*.vim ftplugin/xml/*.vim
+unlet b:did_ftplugin
+
+" Override our defaults if these were set by an included ftplugin.
+if exists("b:undo_ftplugin")
+    let s:undo_ftplugin = b:undo_ftplugin
+    unlet b:undo_ftplugin
+endif
+if exists("b:browsefilter")
+    let s:browsefilter = b:browsefilter
+    unlet b:browsefilter
+endif
+if exists("b:match_words")
+    let s:match_words = b:match_words
+    unlet b:match_words
+endif
+
+runtime! ftplugin/html.vim ftplugin/html_*.vim ftplugin/html/*.vim
+let b:did_ftplugin = 1
+
+" Combine the new set of values with those previously included.
+if exists("b:undo_ftplugin")
+    let s:undo_ftplugin = b:undo_ftplugin . " | " . s:undo_ftplugin
+endif
+if exists("b:browsefilter")
+    let s:browsefilter = b:browsefilter . s:browsefilter
+endif
+if exists("b:match_words")
+    let s:match_words = b:match_words . "," . s:match_words
+endif
+
+" Load the combined list of match_words for matchit.vim
+if exists("loaded_matchit")
+    let b:match_words = s:match_words
+endif
+
+" Change the :browse e filter to primarily show tcsh-related files.
+if (has("gui_win32") || has("gui_gtk")) && !exists("b:browsefilter")
+    let  b:browsefilter="XHTML files (*.xhtml, *.xhtm)\t*.xhtml;*.xhtm\n" . s:browsefilter
+endif
+
+" Undo the stuff we changed.
+let b:undo_ftplugin = "unlet! b:browsefilter b:match_words | " . s:undo_ftplugin
+
+" Restore the saved compatibility options.
+let &cpo = s:save_cpo
+unlet s:save_cpo