commit https://github.com/vim/vim/commit/025e3e0bafbc85cc4e365145af711edf99d0a90d Author: Bram Moolenaar <Bram@vim.org> Date: Tue Oct 18 14:50:18 2016 +0200 patch 8.0.0044 Problem: In diff mode the cursor may end up below the last line, resulting in an ml_get error. Solution: Check the line to be valid.

#!/bin/sh

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

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

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