interpret word-delete-forward/backward as delete/backspace to hotfix

associated crash

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@2926 a592a061-630c-0410-9148-cb99ea01b6c8

diff --git a/src/mathed/formulabase.C b/src/mathed/formulabase.C
index d5605bfc3b9154b973b4fb3178a61a7b7d88c15f..f355b6fd5f2c65941348c018dfce70ab6d155300 100644 (file)
--- a/src/mathed/formulabase.C
+++ b/src/mathed/formulabase.C
@@ -409,12 +409,14 @@ InsetFormulaBase::localDispatch(BufferView * bv, kb_action action,
                updateLocal(bv, true);
                break;
 
+       case LFUN_DELETE_WORD_BACKWARD:
        case LFUN_BACKSPACE:
                bv->lockedInsetStoreUndo(Undo::DELETE);
                mathcursor->backspace();
                bv->updateInset(this, true);
                break;
 
+       case LFUN_DELETE_WORD_FORWARD:
        case LFUN_DELETE:
                bv->lockedInsetStoreUndo(Undo::DELETE);
                mathcursor->erase();