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

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

@@ -0,0 +1,48 @@
+" Vim filetype plugin file
+" Language:		dtd
+"
+" This runtime file is looking for a new maintainer.
+"
+" Former maintainer:	Dan Sharp
+" Last Change:		2009 Jan 20
+"			2024 Jan 14 by Vim Project (browsefilter)
+"			2024 May 23 by Riley Bruins <ribru17@gmail.com> ('commentstring')
+
+if exists("b:did_ftplugin") | finish | endif
+let b:did_ftplugin = 1
+
+" Make sure the continuation lines below do not cause problems in
+" compatibility mode.
+let s:save_cpo = &cpo
+set cpo-=C
+
+setlocal commentstring=<!--\ %s\ -->
+setlocal comments=s:<!--,m:\ \ \ \ \ ,e:-->
+
+setlocal formatoptions-=t
+if !exists("g:ft_dtd_autocomment") || (g:ft_dtd_autocomment == 1)
+    setlocal formatoptions+=croql
+endif
+
+if exists("loaded_matchit")
+    let b:match_words = '<!--:-->,<!:>'
+endif
+
+" Change the :browse e filter to primarily show Java-related files.
+if (has("gui_win32") || has("gui_gtk")) && !exists("b:browsefilter")
+    let  b:browsefilter="DTD Files (*.dtd)\t*.dtd\n" .
+		\	"XML Files (*.xml)\t*.xml\n"
+    if has("win32")
+	let b:browsefilter .= "All Files (*.*)\t*\n"
+    else
+	let b:browsefilter .= "All Files (*)\t*\n"
+    endif
+endif
+
+" Undo the stuff we changed.
+let b:undo_ftplugin = "setlocal commentstring< comments< formatoptions<" .
+		\     " | unlet! b:matchwords b:browsefilter"
+
+" Restore the saved compatibility options.
+let &cpo = s:save_cpo
+unlet s:save_cpo