From: Jean-Marc Lasgouttes <lasgouttes@lyx.org>
Date: Fri, 21 Apr 2023 12:42:51 +0000 (+0200)
Subject: Fix undo with cell-plit
X-Git-Url: https://git.lyx.org/gitweb/?a=commitdiff_plain;h=f7afcc31feaff19fcc97ffe45453e450218ae31d;p=features.git

Fix undo with cell-plit

This function modifies several cells.

Fixes bug #12746.
---

diff --git a/src/mathed/InsetMathGrid.cpp b/src/mathed/InsetMathGrid.cpp
index 65cd6621be..3adec0ca2b 100644
--- a/src/mathed/InsetMathGrid.cpp
+++ b/src/mathed/InsetMathGrid.cpp
@@ -1413,7 +1413,8 @@ void InsetMathGrid::doDispatch(Cursor & cur, FuncRequest & cmd)
 		break;
 
 	case LFUN_CELL_SPLIT:
-		cur.recordUndo();
+		// undo needs to cover two cells
+		cur.recordUndoInset();
 		splitCell(cur);
 		break;