xref: /vim-8.2.3635/runtime/syntax/ctrlh.vim (revision 071d4279)
1" Vim syntax file
2" Language:	CTRL-H (e.g., ASCII manpages)
3" Maintainer:	Bram Moolenaar <[email protected]>
4" Last Change:	2001 Apr 25
5
6" Existing syntax is kept, this file can be used as an addition
7
8" Recognize underlined text: _^Hx
9syntax match CtrlHUnderline /_\b./  contains=CtrlHHide
10
11" Recognize bold text: x^Hx
12syntax match CtrlHBold /\(.\)\b\1/  contains=CtrlHHide
13
14" Hide the CTRL-H (backspace)
15syntax match CtrlHHide /.\b/  contained
16
17" Define the default highlighting.
18" For version 5.7 and earlier: only when not done already
19" For version 5.8 and later: only when an item doesn't have highlighting yet
20if version >= 508 || !exists("did_ctrlh_syntax_inits")
21  if version < 508
22    let did_ctrlh_syntax_inits = 1
23    hi link CtrlHHide Ignore
24    hi CtrlHUnderline term=underline cterm=underline gui=underline
25    hi CtrlHBold term=bold cterm=bold gui=bold
26  else
27    hi def link CtrlHHide Ignore
28    hi def CtrlHUnderline term=underline cterm=underline gui=underline
29    hi def CtrlHBold term=bold cterm=bold gui=bold
30  endif
31endif
32
33" vim: ts=8
34