patch 8.1.1169: writing coverage info in a separate dir is not needed commit https://github.com/vim/vim/commit/837854d1bc01d91ff463a2cfdf8aec9b89d5fbd1 Author: Bram Moolenaar <Bram@vim.org> Date: Sat Apr 13 22:44:51 2019 +0200 patch 8.1.1169: writing coverage info in a separate dir is not needed Problem: Writing coverage info in a separate dir is not needed. Solution: Revert the changes to use a separate directory.

" Vim filetype plugin file
" Language:	Mathematica
" Maintainer:	Ian Ford <ianf@wolfram.com>
" Last Change:	22 January 2019

" 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 b:undo_ftplugin = "setlocal commentstring<"

setlocal commentstring=\(*%s*\)