patch 8.2.1149: Vim9: :eval command not handled properly Commit: https://github.com/vim/vim/commit/007f9d6ed597bd212acb95be9d0767c97d2a1438 Author: Bram Moolenaar <Bram@vim.org> Date: Mon Jul 6 23:04:49 2020 +0200 patch 8.2.1149: Vim9: :eval command not handled properly Problem: Vim9: :eval command not handled properly. Solution: Compile the :eval command. (closes https://github.com/vim/vim/issues/6408)

" 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=\(*%s*\)