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vim-patch:5ddcecf: runtime(help): Add better support for language annotation highlighting

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closes: vim/vim#16238

5ddcecf05f

Co-authored-by: Shougo Matsushita <Shougo.Matsu@gmail.com>
Co-authored-by: Christian Brabandt <cb@256bit.org>
Co-authored-by: h_east <h.east.727@gmail.com>
(cherry picked from commit 60b866049c)
This commit is contained in:
brianhuster
2025-05-31 19:54:52 +07:00
committed by github-actions[bot]
parent 35a66f74c7
commit e68d3ef886
2 changed files with 52 additions and 23 deletions
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38
runtime/syntax/help.vim
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@@ -12,28 +12,36 @@ endif
let s:cpo_save = &cpo
set cpo&vim
if !exists('g:help_example_languages')
let g:help_example_languages = #{ vim: 'vim' }
endif
syn match helpHeadline "^[A-Z.][-A-Z0-9 .,()_']*?\=\ze\(\s\+\*\|$\)"
syn match helpSectionDelim "^===.*===$"
syn match helpSectionDelim "^---.*--$"
unlet! b:current_syntax
" sil! to prevent E403
silent! syntax include @VimScript syntax/vim.vim
" Nvim: support language annotation in codeblocks
if has("conceal")
syn region helpExample matchgroup=helpIgnore start=" >[a-z0-9]*$" start="^>[a-z0-9]*$" end="^[^ \t]"me=e-1 end="^<" concealends
syn region helpExampleVimScript matchgroup=helpIgnore
\ start=/^>vim$/ start=/ >vim$/
\ end=/^[^ \t]/me=e-1 end=/^</ concealends
\ contains=@VimScript keepend
syn region helpExample matchgroup=helpIgnore
\ start="\%(^\| \)>[a-z0-9]*$" end="^[^ \t]"me=e-1 end="^<" concealends
else
syn region helpExample matchgroup=helpIgnore start=" >[a-z0-9]*$" start="^>[a-z0-9]*$" end="^[^ \t]"me=e-1 end="^<"
syn region helpExampleVimScript matchgroup=helpIgnore
\ start=/^>vim$/ start=/ >vim$/
\ end=/^[^ \t]/me=e-1 end=/^</
\ contains=@VimScript keepend
syn region helpExample matchgroup=helpIgnore
\ start="\%(^\| \)>[a-z0-9]*$" end="^[^ \t]"me=e-1 end="^<"
endif
for [s:lang, s:syntax] in g:help_example_languages->items()
unlet! b:current_syntax
" silent! to prevent E403
execute 'silent! syn include' $'@helpExampleHighlight_{s:lang}'
\ $'syntax/{s:syntax}.vim'
execute $'syn region helpExampleHighlight_{s:lang} matchgroup=helpIgnore'
\ $'start=/\%(^\| \)>{s:lang}$/'
\ 'end=/^[^ \t]/me=e-1 end=/^</'
\ (has("conceal") ? 'concealends' : '')
\ $'contains=@helpExampleHighlight_{s:lang} keepend'
endfor
unlet! s:lang s:syntax
syn match helpHyperTextJump "\\\@<!|[#-)!+-~]\+|" contains=helpBar
syn match helpHyperTextEntry "\*[#-)!+-~]\+\*\s"he=e-1 contains=helpStar
syn match helpHyperTextEntry "\*[#-)!+-~]\+\*$" contains=helpStar