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setlocal foldenable
setlocal foldmethod=expr
" setlocal foldcolumn=0
" setlocal foldexpr=get(synstack(v:lnum,1),0)==hlID('cComment')
" setlocal foldexpr=len(filter(synstack(v:lnum,indent(v:lnum)+1),'index([hlID(\"cComment\"),hlID(\"cCommentStart\")],v:val)!=-1'))>0
" setlocal foldtext=printf('%*s%.'.eval(&textwidth-indent(v:foldstart)).'S',indent(v:foldstart),'',substitute(substitute(substitute(join(getline(v:foldstart,v:foldend)),'\\s\\s\\+\\\|\[\*\/\]','\ ','g'),'\^\\s\\+','','g'),\ '\\s\\s\\+',\ '\ ',\ 'g'))
" setlocal foldexpr=index(get(synstack(v:lnum,1),0),hlID('cComment'))>0
" setlocal foldexpr=index(synstack(v:lnum,indent(v:lnum)+1),hlID('cComment'))>0
" setlocal signcolumn=no
" syntax match cType "struct\s+[A-Za-z0-9_]+\>"
" syn clear cStructure
" highlight! link defines Special
syntax match Define "\<[A-Z][A-Z0-9_]*\>"
" syntax match Todo "\/\/ @[A-Z]*\:.*$"
syntax keyword Todo TODO contained
syntax match Comment "//.*" contains=Todo
" clear default group for a cBlock so we can redefine it without the fold option
syn clear cBlock
syn region cBlock start=/{/ end=/}/ transparent
" configure c.vim so that it automatically allows doxygen like comments
let g:load_doxygen_syntax=1
set formatoptions+=j " Where it makes sense, remove a comment leader when joining lines.
set formatoptions+=1 " Don't break a line after a one-letter word.
" open a corresponding header file
nnorem <leader>gh :execute 'edit '.findfile(substitute(expand('%:t'),'\.[ch]$','.h',''))<CR>
if filereadable("/usr/bin/vendor_perl/ack")
autocmd FileType c,cpp set grepprg=/usr/bin/vendor_perl/ack\ --type=cc\ --nogroup\ --column\ $*
autocmd FileType c,cpp set grepformat=%f:%l:%c:%m
endif
" multiple single line comments in a row " broken!
" syn region myCComment start="/\*" end="\*/" fold keepend transparent
" let b:current_syntax = "c"
" let g:polyglot_disabled = ['c/c++']
" unlet s:ft
" let &cpo = s:cpo_save
" unlet s:cpo_save
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