patch 8.1.1035: prop_remove() second argument is not optional commit https://github.com/vim/vim/commit/0a2f578e22de7e4d82075578afdd5fc2d2dd8134 Author: Bram Moolenaar <Bram@vim.org> Date: Fri Mar 22 13:20:43 2019 +0100 patch 8.1.1035: prop_remove() second argument is not optional Problem: prop_remove() second argument is not optional. Solution: Fix argument count. Use "buf" instead of "curbuf". (closes https://github.com/vim/vim/issues/4147)

" 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=\(*%s*\)