patch 8.0.0655: not easy to make sure a function does not exist commit https://github.com/vim/vim/commit/d6abcd154cdc6a8dd4b7c6ccad37617ea8a1b4aa Author: Bram Moolenaar <Bram@vim.org> Date: Thu Jun 22 19:15:24 2017 +0200 patch 8.0.0655: not easy to make sure a function does not exist Problem: Not easy to make sure a function does not exist. Solution: Add ! as an optional argument to :delfunc.

" Language   : Tar Listing Syntax
" Maintainer : Bram Moolenaar
" Last change: Sep 08, 2004

if exists("b:current_syntax")
 finish
endif

syn match tarComment '^".*' contains=tarFilename
syn match tarFilename 'tarfile \zs.*' contained
syn match tarDirectory '.*/$'

hi def link tarComment	Comment
hi def link tarFilename	Constant
hi def link tarDirectory Type

" vim: ts=8