/usr/share/vim/vim74/ftplugin/liquid.vim is in vim-runtime 2:7.4.052-1ubuntu3.
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 51 52 53 54 55 56 57 58 59 60 61 | " Vim filetype plugin
" Language: Liquid
" Maintainer: Tim Pope <vimNOSPAM@tpope.org>
" Last Change: 2010 May 21
if exists('b:did_ftplugin')
finish
endif
if !exists('g:liquid_default_subtype')
let g:liquid_default_subtype = 'html'
endif
if !exists('b:liquid_subtype')
let s:lines = getline(1)."\n".getline(2)."\n".getline(3)."\n".getline(4)."\n".getline(5)."\n".getline("$")
let b:liquid_subtype = matchstr(s:lines,'liquid_subtype=\zs\w\+')
if b:liquid_subtype == ''
let b:liquid_subtype = matchstr(&filetype,'^liquid\.\zs\w\+')
endif
if b:liquid_subtype == ''
let b:liquid_subtype = matchstr(substitute(expand('%:t'),'\c\%(\.liquid\)\+$','',''),'\.\zs\w\+$')
endif
if b:liquid_subtype == ''
let b:liquid_subtype = g:liquid_default_subtype
endif
endif
if exists('b:liquid_subtype') && b:liquid_subtype != ''
exe 'runtime! ftplugin/'.b:liquid_subtype.'.vim ftplugin/'.b:liquid_subtype.'_*.vim ftplugin/'.b:liquid_subtype.'/*.vim'
else
runtime! ftplugin/html.vim ftplugin/html_*.vim ftplugin/html/*.vim
endif
let b:did_ftplugin = 1
if exists('b:undo_ftplugin')
let b:undo_ftplugin .= '|'
else
let b:undo_ftplugin = ''
endif
if exists('b:browsefilter')
let b:browsefilter = "\n".b:browsefilter
else
let b:browsefilter = ''
endif
if exists('b:match_words')
let b:match_words .= ','
elseif exists('loaded_matchit')
let b:match_words = ''
endif
if has('gui_win32')
let b:browsefilter="Liquid Files (*.liquid)\t*.liquid" . b:browsefilter
endif
if exists('loaded_matchit')
let b:match_words .= '\<\%(if\w*\|unless\|case\)\>:\<\%(elsif\|else\|when\)\>:\<end\%(if\w*\|unless\|case\)\>,\<\%(for\|tablerow\)\>:\%({%\s*\)\@<=empty\>:\<end\%(for\|tablerow\)\>,<\(capture\|comment\|highlight\)\>:\<end\1\>'
endif
setlocal commentstring={%\ comment\ %}%s{%\ endcomment\ %}
let b:undo_ftplugin .= 'setl cms< | unlet! b:browsefilter b:match_words'
|