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git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@22068 a592a061-630c-0410-9148-cb99ea01b6c8

diff --git a/src/mathed/InsetMathNest.cpp b/src/mathed/InsetMathNest.cpp
index 0b4eb75d9118ac154f5894a95ddd56910b6096b4..99edfadb8bc4bffeac0fd28ca07beafc6732d65b 100644 (file)
--- a/src/mathed/InsetMathNest.cpp
+++ b/src/mathed/InsetMathNest.cpp
@@ -726,6 +726,8 @@ void InsetMathNest::doDispatch(Cursor & cur, FuncRequest & cmd)
                }
                break;
 
+       // 'Locks' the math inset. A 'locked' math inset behaves as a unit
+       // that is traversed by a single <CursorLeft>/<CursorRight>.
        case LFUN_INSET_TOGGLE:
                cur.recordUndo();
                lock(!lock());