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

gitportable/usr/share/vim/vim91/syntax/ctrlh.vim

@@ -0,0 +1,24 @@
+" Vim syntax file
+" Language:	CTRL-H (e.g., ASCII manpages)
+" Maintainer:	The Vim Project <https://github.com/vim/vim>
+" Last Change:	2023 Aug 10
+" Former Maintainer:	Bram Moolenaar <Bram@vim.org>
+
+" Existing syntax is kept, this file can be used as an addition
+
+" Recognize underlined text: _^Hx
+syntax match CtrlHUnderline /_\b./  contains=CtrlHHide
+
+" Recognize bold text: x^Hx
+syntax match CtrlHBold /\(.\)\b\1/  contains=CtrlHHide
+
+" Hide the CTRL-H (backspace)
+syntax match CtrlHHide /.\b/  contained
+
+" Define the default highlighting.
+" Only used when an item doesn't have highlighting yet
+hi def link CtrlHHide Ignore
+hi def CtrlHUnderline term=underline cterm=underline gui=underline
+hi def CtrlHBold term=bold cterm=bold gui=bold
+
+" vim: ts=8