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

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

@@ -0,0 +1,18 @@
+" Vim filetype plugin file
+" Language:		XSLT
+" Maintainer:		Doug Kearns <dougkearns@gmail.com>
+" Previous Maintainer:	Dan Sharp
+" Last Change:		2022 Apr 25
+
+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") || has("gui_gtk")) && exists("b:browsefilter")
+  let b:browsefilter = "XSLT Files (*.xsl, *.xslt)\t*.xsl;*.xslt\n" . b:browsefilter
+endif