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neovim/runtime/syntax/help.vim
Christian Clason f46ae13685 vim-patch:9.1.0016: default diff highlighting is too noisy 
Problem:  default diff highlighting is too noisy
Solution: Link diff highlighting groups to new
          Added/Removed/Changed, revert previous change
          (Romain Lafourcade)

Remove diff* links added in vim/vim#13776 and doc added in commit b1392be

The links added in vim/vim#13776 are way too noisy for the contexts in which
the `diff` syntax is applied (git commits, patches, etc.).

This commit:

- removes those links
- adds new default highlighting groups Added, Changed and
  Removed
- links the diff highlighting groups to those new defaults
- removes the doc changes
- adjusts the syntax_completion test for those newly added group
  names

Note: Changes to the default color schemes will be handled separately,
by adding links to those newly created Added/Removed/Changed
highlighting groups.

related: vim/vim#13776
closes vim/vim#13825

124371c5a1

Co-authored-by: Romain Lafourcade <romain.lafourcade@razorfish.fr>
2024-01-12 13:52:26 +01:00

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8.2 KiB
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" Vim syntax file
" Language: Vim help file
" Maintainer: The Vim Project <https://github.com/vim/vim>
" Last Change: 2023 Aug 10
" Former Maintainer: Bram Moolenaar <Bram@vim.org>
" Quit when a (custom) syntax file was already loaded
if exists("b:current_syntax")
finish
endif
let s:cpo_save = &cpo
set cpo&vim
syn match helpHeadline "^[A-Z.][-A-Z0-9 .,()_']*?\=\ze\(\s\+\*\|$\)"
syn match helpSectionDelim "^===.*===$"
syn match helpSectionDelim "^---.*--$"
" Neovim: 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
else
syn region helpExample matchgroup=helpIgnore start=" >[a-z0-9]*$" start="^>[a-z0-9]*$" end="^[^ \t]"me=e-1 end="^<"
endif
syn match helpHyperTextJump "\\\@<!|[#-)!+-~]\+|" contains=helpBar
syn match helpHyperTextEntry "\*[#-)!+-~]\+\*\s"he=e-1 contains=helpStar
syn match helpHyperTextEntry "\*[#-)!+-~]\+\*$" contains=helpStar
if has("conceal")
syn match helpBar contained "|" conceal
syn match helpBacktick contained "`" conceal
syn match helpStar contained "\*" conceal
else
syn match helpBar contained "|"
syn match helpBacktick contained "`"
syn match helpStar contained "\*"
endif
syn match helpNormal "|.*====*|"
syn match helpNormal "|||"
syn match helpNormal ":|vim:|" " for :help modeline
syn match helpVim "\<Vim version [0-9][0-9.a-z]*"
syn match helpVim "VIM REFERENCE.*"
syn match helpVim "NVIM REFERENCE.*"
syn match helpOption "'[a-z]\{2,\}'"
syn match helpOption "'t_..'"
syn match helpNormal "'ab'"
syn match helpCommand "`[^` \t]\+`"hs=s+1,he=e-1 contains=helpBacktick
syn match helpCommand "\(^\|[^a-z"[]\)\zs`[^`]\+`\ze\([^a-z\t."']\|$\)"hs=s+1,he=e-1 contains=helpBacktick
syn match helpHeader "\s*\zs.\{-}\ze\s\=\~$" nextgroup=helpIgnore
syn match helpGraphic ".* \ze`$" nextgroup=helpIgnore
if has("conceal")
syn match helpIgnore "." contained conceal
else
syn match helpIgnore "." contained
endif
syn keyword helpNote note Note NOTE note: Note: NOTE: Notes Notes:
syn keyword helpWarning WARNING WARNING: Warning:
syn keyword helpDeprecated DEPRECATED DEPRECATED: Deprecated:
syn match helpSpecial "\<N\>"
syn match helpSpecial "\<N\.$"me=e-1
syn match helpSpecial "\<N\.\s"me=e-2
syn match helpSpecial "(N\>"ms=s+1
syn match helpSpecial "\[N]"
" avoid highlighting N N in help.txt
syn match helpSpecial "N N"he=s+1
syn match helpSpecial "Nth"me=e-2
syn match helpSpecial "N-1"me=e-2
syn match helpSpecial "{[-_a-zA-Z0-9'"*+/:%#=[\]<>.,]\+}"
syn match helpSpecial "\s\[[-a-z^A-Z0-9_]\{2,}]"ms=s+1
syn match helpSpecial "<[-a-zA-Z0-9_]\+>"
syn match helpSpecial "<[SCM]-.>"
syn match helpNormal "<---*>"
syn match helpSpecial "\[range]"
syn match helpSpecial "\[line]"
syn match helpSpecial "\[count]"
syn match helpSpecial "\[offset]"
syn match helpSpecial "\[cmd]"
syn match helpSpecial "\[num]"
syn match helpSpecial "\[+num]"
syn match helpSpecial "\[-num]"
syn match helpSpecial "\[+cmd]"
syn match helpSpecial "\[++opt]"
syn match helpSpecial "\[arg]"
syn match helpSpecial "\[arguments]"
syn match helpSpecial "\[ident]"
syn match helpSpecial "\[addr]"
syn match helpSpecial "\[group]"
" Don't highlight [converted] and others that do not have a tag
syn match helpNormal "\[\(readonly\|fifo\|socket\|converted\|crypted\)]"
syn match helpSpecial "CTRL-."
syn match helpSpecial "CTRL-SHIFT-."
syn match helpSpecial "CTRL-Break"
syn match helpSpecial "CTRL-PageUp"
syn match helpSpecial "CTRL-PageDown"
syn match helpSpecial "CTRL-Insert"
syn match helpSpecial "CTRL-Del"
syn match helpSpecial "CTRL-{char}"
syn match helpSpecial "META-."
syn match helpSpecial "ALT-."
" Highlight group items in their own color.
syn match helpComment "\t[* ]Comment\t\+[a-z].*"
syn match helpConstant "\t[* ]Constant\t\+[a-z].*"
syn match helpString "\t[* ]String\t\+[a-z].*"
syn match helpCharacter "\t[* ]Character\t\+[a-z].*"
syn match helpNumber "\t[* ]Number\t\+[a-z].*"
syn match helpBoolean "\t[* ]Boolean\t\+[a-z].*"
syn match helpFloat "\t[* ]Float\t\+[a-z].*"
syn match helpIdentifier "\t[* ]Identifier\t\+[a-z].*"
syn match helpFunction "\t[* ]Function\t\+[a-z].*"
syn match helpStatement "\t[* ]Statement\t\+[a-z].*"
syn match helpConditional "\t[* ]Conditional\t\+[a-z].*"
syn match helpRepeat "\t[* ]Repeat\t\+[a-z].*"
syn match helpLabel "\t[* ]Label\t\+[a-z].*"
syn match helpOperator "\t[* ]Operator\t\+["a-z].*"
syn match helpKeyword "\t[* ]Keyword\t\+[a-z].*"
syn match helpException "\t[* ]Exception\t\+[a-z].*"
syn match helpPreProc "\t[* ]PreProc\t\+[a-z].*"
syn match helpInclude "\t[* ]Include\t\+[a-z].*"
syn match helpDefine "\t[* ]Define\t\+[a-z].*"
syn match helpMacro "\t[* ]Macro\t\+[a-z].*"
syn match helpPreCondit "\t[* ]PreCondit\t\+[a-z].*"
syn match helpType "\t[* ]Type\t\+[a-z].*"
syn match helpStorageClass "\t[* ]StorageClass\t\+[a-z].*"
syn match helpStructure "\t[* ]Structure\t\+[a-z].*"
syn match helpTypedef "\t[* ]Typedef\t\+[Aa-z].*"
syn match helpSpecial "\t[* ]Special\t\+[a-z].*"
syn match helpSpecialChar "\t[* ]SpecialChar\t\+[a-z].*"
syn match helpTag "\t[* ]Tag\t\+[a-z].*"
syn match helpDelimiter "\t[* ]Delimiter\t\+[a-z].*"
syn match helpSpecialComment "\t[* ]SpecialComment\t\+[a-z].*"
syn match helpDebug "\t[* ]Debug\t\+[a-z].*"
syn match helpUnderlined "\t[* ]Underlined\t\+[a-z].*"
syn match helpError "\t[* ]Error\t\+[a-z].*"
syn match helpTodo "\t[* ]Todo\t\+[a-z].*"
syn match helpURL `\v<(((https?|ftp|gopher)://|(mailto|file|news):)[^' <>"]+|(www|web|w3)[a-z0-9_-]*\.[a-z0-9._-]+\.[^' <>"]+)[a-zA-Z0-9/]`
syn match helpDiffAdded "\t[* ]Added\t\+[a-z].*"
syn match helpDiffChanged "\t[* ]Changed\t\+[a-z].*"
syn match helpDiffRemoved "\t[* ]Removed\t\+[a-z].*"
" Additionally load a language-specific syntax file "help_ab.vim".
let s:i = match(expand("%"), '\.\a\ax$')
if s:i > 0
exe "runtime syntax/help_" . strpart(expand("%"), s:i + 1, 2) . ".vim"
endif
" Italian
if v:lang =~ '\<IT\>' || v:lang =~ '_IT\>' || v:lang =~? "italian"
syn keyword helpNote nota Nota NOTA nota: Nota: NOTA: notare Notare NOTARE notare: Notare: NOTARE:
syn match helpSpecial "Nma"me=e-2
syn match helpSpecial "Nme"me=e-2
syn match helpSpecial "Nmi"me=e-2
syn match helpSpecial "Nmo"me=e-2
syn match helpSpecial "\[interv.]"
endif
syn sync minlines=40
" Define the default highlighting.
" Only used when an item doesn't have highlighting yet
hi def link helpIgnore Ignore
hi def link helpHyperTextJump Identifier
hi def link helpBar Ignore
hi def link helpBacktick Ignore
hi def link helpStar Ignore
hi def link helpHyperTextEntry String
hi def link helpHeadline Statement
hi def link helpHeader PreProc
hi def link helpSectionDelim PreProc
hi def link helpVim Identifier
hi def link helpCommand Comment
hi def link helpExample Comment
hi def link helpOption Type
hi def link helpSpecial Special
hi def link helpNote Todo
hi def link helpWarning Todo
hi def link helpDeprecated Todo
hi def link helpComment Comment
hi def link helpConstant Constant
hi def link helpString String
hi def link helpCharacter Character
hi def link helpNumber Number
hi def link helpBoolean Boolean
hi def link helpFloat Float
hi def link helpIdentifier Identifier
hi def link helpFunction Function
hi def link helpStatement Statement
hi def link helpConditional Conditional
hi def link helpRepeat Repeat
hi def link helpLabel Label
hi def link helpOperator Operator
hi def link helpKeyword Keyword
hi def link helpException Exception
hi def link helpPreProc PreProc
hi def link helpInclude Include
hi def link helpDefine Define
hi def link helpMacro Macro
hi def link helpPreCondit PreCondit
hi def link helpType Type
hi def link helpStorageClass StorageClass
hi def link helpStructure Structure
hi def link helpTypedef Typedef
hi def link helpSpecialChar SpecialChar
hi def link helpTag Tag
hi def link helpDelimiter Delimiter
hi def link helpSpecialComment SpecialComment
hi def link helpDebug Debug
hi def link helpUnderlined Underlined
hi def link helpError Error
hi def link helpTodo Todo
hi def link helpURL String
hi def link helpDiffAdded Added
hi def link helpDiffChanged Changed
hi def link helpDiffRemoved Removed
let b:current_syntax = "help"
let &cpo = s:cpo_save
unlet s:cpo_save
" vim: ts=8 sw=2
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