Differential D14329 Diff 49698 source/blender/editors/mesh/editmesh_knife.c

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	case KNF_MODAL_CONFIRM:			case KNF_MODAL_CONFIRM:
	/* finish */			/* finish */
	ED_region_tag_redraw(kcd->region);			ED_region_tag_redraw(kcd->region);

	knifetool_finish(op);			knifetool_finish(op);
	knifetool_exit(op);			knifetool_exit(op);
	ED_workspace_status_text(C, NULL);			ED_workspace_status_text(C, NULL);

				/* Exit early to prevent undo push for empty cuts. */
				if (kcd->totkvert == 0) {
				return OPERATOR_CANCELLED;
				}

	return OPERATOR_FINISHED;			return OPERATOR_FINISHED;
	case KNF_MODAL_UNDO:			case KNF_MODAL_UNDO:
	if (BLI_stack_is_empty(kcd->undostack)) {			if (BLI_stack_is_empty(kcd->undostack)) {
	ED_region_tag_redraw(kcd->region);			ED_region_tag_redraw(kcd->region);
	knifetool_exit(op);			knifetool_exit(op);
	ED_workspace_status_text(C, NULL);			ED_workspace_status_text(C, NULL);
	return OPERATOR_CANCELLED;			return OPERATOR_CANCELLED;
	}			}
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