commit https://github.com/vim/vim/commit/d0b5138ba4bccff8a744c99836041ef6322ed39a Author: Bram Moolenaar <Bram@vim.org> Date: Fri Nov 4 15:23:45 2016 +0100 patch 8.0.0056 Problem: When setting 'filetype' there is no check for a valid name. Solution: Only allow valid characters in 'filetype', 'syntax' and 'keymap'.

#!/bin/sh

# Start GUI Vim on a copy of the tutor file.

# Usage: gvimtutor [xx]
# See vimtutor for usage.

exec `dirname $0`/vimtutor -g "$@"