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All patches and comments are welcome. Please squash your changes to logical commits before using git-format-patch and git-send-email to patches@git.madduck.net. If you'd read over the Git project's submission guidelines and adhered to them, I'd be especially grateful.

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If you use my repositories frequently, consider adding the following snippet to ~/.gitconfig and using the third clone URL listed for each project:

[url "git://git.madduck.net/madduck/"]
  insteadOf = madduck:

Add highlight `![image](URL)`
[etc/vim.git] / indent / markdown.vim
1 if exists("b:did_indent") | finish | endif
2 let b:did_indent = 1
3
4 setlocal indentexpr=GetMarkdownIndent()
5 setlocal nolisp
6 setlocal autoindent
7
8 " Automatically insert bullets
9 setlocal formatoptions+=r
10 " Do not automatically insert bullets when auto-wrapping with text-width
11 setlocal formatoptions-=c
12 " Accept various markers as bullets
13 setlocal comments=b:*,b:+,b:-
14
15 " Automatically continue blockquote on line break
16 setlocal comments+=b:>
17
18 " Only define the function once
19 if exists("*GetMarkdownIndent") | finish | endif
20
21 function! s:is_mkdCode(lnum)
22     return synIDattr(synID(a:lnum, 1, 0), 'name') == 'mkdCode'
23 endfunction
24
25 function! s:is_li_start(line)
26     return a:line !~ '^ *\([*-]\)\%( *\1\)\{2}\%( \|\1\)*$' &&
27       \    a:line =~ '^\s*[*+-] \+'
28 endfunction
29
30 function! s:is_blank_line(line)
31     return a:line =~ '^$'
32 endfunction
33
34 function! s:prevnonblank(lnum)
35     let i = a:lnum
36     while i > 1 && s:is_blank_line(getline(i))
37         let i -= 1
38     endwhile
39     return i
40 endfunction
41
42 function GetMarkdownIndent()
43     let list_ind = 4
44     " Find a non-blank line above the current line.
45     let lnum = prevnonblank(v:lnum - 1)
46     " At the start of the file use zero indent.
47     if lnum == 0 | return 0 | endif
48     let ind = indent(lnum)
49     let line = getline(lnum)    " Last line
50     let cline = getline(v:lnum) " Current line
51     if s:is_li_start(cline) 
52         " Current line is the first line of a list item, do not change indent
53         return indent(v:lnum)
54     elseif s:is_li_start(line)
55         if s:is_mkdCode(lnum)
56             return ind
57         else
58             " Last line is the first line of a list item, increase indent
59             return ind + list_ind
60         end
61     else
62         return ind
63     endif
64 endfunction