patch 8.2.0368: Vim9: import that redefines local variable does not fail Commit: https://github.com/vim/vim/commit/5269bd2a724fdb8c16c9635ef744a670f1bc8bd5 Author: Bram Moolenaar <Bram@vim.org> Date: Mon Mar 9 19:25:27 2020 +0100 patch 8.2.0368: Vim9: import that redefines local variable does not fail Problem: Vim9: import that redefines local variable does not fail. Solution: Check for already defined symbols.

" 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=\(*%s*\)