patch 8.2.0449: Vim9: crash if return type is invalid Commit: https://github.com/vim/vim/commit/cf3f8bf4ddfbc0f5ce53f0c9270dc15567f4feea Author: Bram Moolenaar <Bram@vim.org> Date: Thu Mar 26 13:15:42 2020 +0100 patch 8.2.0449: Vim9: crash if return type is invalid Problem: Vim9: crash if return type is invalid. (Yegappan Lakshmanan) Solution: Always return some type, not NULL.

" 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=\(*%s*\)