In the future, when Cursor has been fixed to work correctly with multiple views of the same Buffer, we could transfer the Undo owner from Buffer to Cursor. git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@21031 a592a061-630c-0410-9148-cb99ea01b6c8
cosmetics; git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@21022 a592a061-630c-0410-9148-cb99ea01b6c8
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@18025 a592a061-630c-0410-9148-cb99ea01b6c8