GitLab

Experimental change: don't restore kboard after temporary changes if Emacs wasn't in single kboard state.

* src/keyboard.c (pop_kboard): Help debugging by not changing
  current_kboard unnecessarily.
  (temporarily_switch_to_single_kboard, record_single_kboard_state):
  Don't push_kboard if we weren't in single kboard state.
  Don't pop_kboard if we popped into any kboard state.

git-archimport-id: lorentey@elte.hu--2004/emacs--multi-tty--0--patch-485