/usr/share/vim/vim74/ftplugin/aap.vim is in vim-runtime 2:7.4.052-1ubuntu3.1.
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 | " Vim filetype plugin file
" Language: Aap recipe
" Maintainer: Bram Moolenaar <Bram@vim.org>
" Last Change: 2013 Apr 05
" Only do this when not done yet for this buffer
if exists("b:did_ftplugin")
finish
endif
" Don't load another plugin for this buffer
let b:did_ftplugin = 1
" Reset 'formatoptions', 'comments' and 'expandtab' to undo this plugin.
let b:undo_ftplugin = "setl fo< com< et<"
" Set 'formatoptions' to break comment lines but not other lines,
" and insert the comment leader when hitting <CR> or using "o".
setlocal fo-=t fo+=croql
" Set 'comments' to format dashed lists in comments.
setlocal comments=s:#\ -,m:#\ \ ,e:#,n:#,fb:-
" Expand tabs to spaces to avoid trouble.
setlocal expandtab
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