/usr/share/vim/vim80/ftplugin/cs.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 | " Vim filetype plugin file
" Language: C#
" Maintainer: Johannes Zellner <johannes@zellner.org>
" Last Change: Tue, 09 Mar 2004 14:09:33 CET
" 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
let s:keepcpo= &cpo
set cpo&vim
" 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=sO:*\ -,mO:*\ \ ,exO:*/,s1:/*,mb:*,ex:*/,:///,://
if has("gui_win32") && !exists("b:browsefilter")
let b:browsefilter = "C# Source Files (*.cs)\t*.cs\n" .
\ "All Files (*.*)\t*.*\n"
endif
let &cpo = s:keepcpo
unlet s:keepcpo
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