/usr/share/vim/vim80/compiler/xmlwf.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 | " Vim Compiler File
" Compiler: xmlwf
" Maintainer: Robert Rowsome <rowsome@wam.umd.edu>
" Last Change: 2004 Mar 27
if exists("current_compiler")
finish
endif
let current_compiler = "xmlwf"
let s:cpo_save = &cpo
set cpo&vim
if exists(":CompilerSet") != 2 " older Vim always used :setlocal
command -nargs=* CompilerSet setlocal <args>
endif
CompilerSet makeprg=xmlwf\ %
CompilerSet errorformat=%f:%l%c:%m
let &cpo = s:cpo_save
unlet s:cpo_save
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