Protect 'augroup set_scrollof' with 'has(autocmd)'
Fix set -g bell-action any
doc
Update submodule oh-my-zsh f65e6d5...643a716:

* oh-my-zsh f65e6d5...643a716:
  Warn: oh-my-zsh doesn't contain commit f65e6d5065bc95f9e4462686959642b1ce07fc9e