Restore undo collection after sequence of composition actions by only remembering undo collection state when switching to composition, not when composition changed.
Restore undo collection after sequence of composition actions by only remembering
undo collection state when switching to composition, not when composition changed.

windoze/scintilla,windoze/scintilla,windoze/scintilla,windoze/scintilla,windoze/scintilla,windoze/scintilla,windoze/scintilla,windoze/scintilla