K 10 svn:author V 3 bde K 8 svn:date V 27 2019-04-26T14:44:20.204312Z K 7 svn:log V 334 Remove save/restore of the crtc and gdc registers when showing and hiding the mouse cursor. The showing and hiding is often done asynchronously in a not very safe signal handler, but the state of these registers and much more is protected from the signal handler in a better way by deferring mouse signals while the state is in use. END