Commit: runtime(vim): Add support for `syntax foldlevel` command (#6182)

[Christian Brabandt]

runtime(vim): Add support for `syntax foldlevel` command (#6182)

Commit: https://github.com/vim/vim/commit/d4634a26cdcdbd0f22ec608bb4954cd7eb8db528
Author: Brad King <brad...@kitware.com>
Date: Wed Jan 3 10:17:24 2024 -0500

runtime(vim): Add support for `syntax foldlevel` command (https://github.com/vim/vim/issues/6182)


Signed-off-by: Brad King <brad...@kitware.com>
Signed-off-by: Doug Kearns <dougk...@gmail.com>
Signed-off-by: Christian Brabandt <c...@256bit.org>

diff --git a/runtime/syntax/vim.vim b/runtime/syntax/vim.vim
index ca54162dc..08414a62d 100644
--- a/runtime/syntax/vim.vim
+++ b/runtime/syntax/vim.vim
@@ -557,6 +557,13 @@ syn match vimGroupAdd contained "add=" nextgroup=vimGroupList
syn match vimGroupRem contained "remove=" nextgroup=vimGroupList
syn cluster vimFuncBodyList add=vimSynType,vimGroupAdd,vimGroupRem

+" Syntax: foldlevel {{{2
+syn keyword vimSynType contained foldlevel skipwhite nextgroup=vimSynFoldMethod,vimSynFoldMethodError
+if !exists("g:vimsyn_noerror") && !exists("g:vimsyn_novimsynfoldmethoderror")
+ syn match vimSynFoldMethodError contained "\i\+"
+endif
+syn keyword vimSynFoldMethod contained start minimum
+
" Syntax: iskeyword {{{2
syn keyword vimSynType contained iskeyword skipwhite nextgroup=vimIskList
syn match vimIskList contained '\S\+' contains=vimIskSep
@@ -901,6 +908,7 @@ if !exists("skip_vim_syntax_inits")
hi def link vimMapModErr vimError
hi def link vimSubstFlagErr vimError
hi def link vimSynCaseError vimError
+ hi def link vimSynFoldMethodError vimError
hi def link vimBufnrWarn vimWarn
endif

@@ -1038,6 +1046,8 @@ if !exists("skip_vim_syntax_inits")
hi def link vimSyncNone Type
hi def link vimSynContains vimSynOption
hi def link vimSynError Error
+ hi def link vimSynFoldMethodError Error
+ hi def link vimSynFoldMethod Type
hi def link vimSynKeyContainedin vimSynContains
hi def link vimSynKeyOpt vimSynOption
hi def link vimSynMtchGrp vimSynOption