- Set g:tutor_debug on startup if it doesn't exist so that users can get
cmdline completion when interactively setting it.
- set b:undo_ftplugin in filetype plugin
- set default runtime file headers
closes: vim/vim#172743704b5b58a
Co-authored-by: Phạm Bình An <phambinhanctb2004@gmail.com>
vim-tutor-mode provides a mechanism to write and read interactive
tutorials in vim. It's aim is to replace the venerable vimtutor with a
more modern system.
The plugin's development is maintained at https://github.com/fmoralesc
/vim-tutor-mode
Closes#2351.