/usr/share/vim/vim80/ftplugin/markdown.vim is in vim-runtime 2:8.0.1453-1ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 | " Vim filetype plugin
" Language: Markdown
" Maintainer: Tim Pope <vimNOSPAM@tpope.org>
" Last Change: 2016 Aug 29
if exists("b:did_ftplugin")
finish
endif
runtime! ftplugin/html.vim ftplugin/html_*.vim ftplugin/html/*.vim
setlocal comments=fb:*,fb:-,fb:+,n:> commentstring=>\ %s
setlocal formatoptions+=tcqln formatoptions-=r formatoptions-=o
setlocal formatlistpat=^\\s*\\d\\+\\.\\s\\+\\\|^[-*+]\\s\\+\\\|^\\[^\\ze[^\\]]\\+\\]:
if exists('b:undo_ftplugin')
let b:undo_ftplugin .= "|setl cms< com< fo< flp<"
else
let b:undo_ftplugin = "setl cms< com< fo< flp<"
endif
function! MarkdownFold()
let line = getline(v:lnum)
" Regular headers
let depth = match(line, '\(^#\+\)\@<=\( .*$\)\@=')
if depth > 0
return ">" . depth
endif
" Setext style headings
let nextline = getline(v:lnum + 1)
if (line =~ '^.\+$') && (nextline =~ '^=\+$')
return ">1"
endif
if (line =~ '^.\+$') && (nextline =~ '^-\+$')
return ">2"
endif
return "="
endfunction
if has("folding") && exists("g:markdown_folding")
setlocal foldexpr=MarkdownFold()
setlocal foldmethod=expr
let b:undo_ftplugin .= " foldexpr< foldmethod<"
endif
" vim:set sw=2:
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