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if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'markdown') == -1
if exists("b:did_indent") | finish | endif
let b:did_indent = 1
setlocal indentexpr=GetMarkdownIndent()
setlocal nolisp
setlocal autoindent
" Automatically continue blockquote on line break
setlocal formatoptions+=r
setlocal comments=b:>
if get(g:, "vim_markdown_auto_insert_bullets", 1)
" Do not automatically insert bullets when auto-wrapping with text-width
setlocal formatoptions-=c
" Accept various markers as bullets
setlocal comments+=b:*,b:+,b:-
endif
" Only define the function once
if exists("*GetMarkdownIndent") | finish | endif
function! s:IsMkdCode(lnum)
let name = synIDattr(synID(a:lnum, 1, 0), 'name')
return (name =~ '^mkd\%(Code$\|Snippet\)' || name != '' && name !~ '^\%(mkd\|html\)')
endfunction
function! s:IsLiStart(line)
return a:line !~ '^ *\([*-]\)\%( *\1\)\{2}\%( \|\1\)*$' &&
\ a:line =~ '^\s*[*+-] \+'
endfunction
function! s:IsHeaderLine(line)
return a:line =~ '^\s*#'
endfunction
function! s:IsBlankLine(line)
return a:line =~ '^$'
endfunction
function! s:PrevNonBlank(lnum)
let i = a:lnum
while i > 1 && s:IsBlankLine(getline(i))
let i -= 1
endwhile
return i
endfunction
function GetMarkdownIndent()
if v:lnum > 2 && s:IsBlankLine(getline(v:lnum - 1)) && s:IsBlankLine(getline(v:lnum - 2))
return 0
endif
let list_ind = get(g:, "vim_markdown_new_list_item_indent", 4)
" Find a non-blank line above the current line.
let lnum = s:PrevNonBlank(v:lnum - 1)
" At the start of the file use zero indent.
if lnum == 0 | return 0 | endif
let ind = indent(lnum)
let line = getline(lnum) " Last line
let cline = getline(v:lnum) " Current line
if s:IsLiStart(cline)
" Current line is the first line of a list item, do not change indent
return indent(v:lnum)
elseif s:IsHeaderLine(cline) && !s:IsMkdCode(v:lnum)
" Current line is the header, do not indent
return 0
elseif s:IsLiStart(line)
if s:IsMkdCode(lnum)
return ind
else
" Last line is the first line of a list item, increase indent
return ind + list_ind
end
else
return ind
endif
endfunction
endif
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