commit https://github.com/vim/vim/commit/08b7bae91adb79d30d4c923fd758e2f7cecd33ef Author: Bram Moolenaar <Bram@vim.org> Date: Wed Dec 30 17:56:05 2015 +0100 patch 7.4.1004 Problem: Using Makefile when auto/config.mk does not exists results in warnings. Solution: Use default values for essential variables.

" Vim filetype plugin file
" Language:	bst
" Author:	Tim Pope <vimNOSPAM@tpope.info>
" $Id: bst.vim,v 1.1 2007/05/05 17:37:57 vimboss Exp $

if exists("b:did_ftplugin")
    finish
endif
let b:did_ftplugin = 1

setlocal commentstring=%\ %s
setlocal comments=:%
setlocal fo-=t fo+=croql

let b:undo_ftplugin = "setlocal com< cms< fo<"