Set buffer correctly when changing math space type.

Fixes bug #7747.

diff --git a/src/mathed/InsetMathSpace.cpp b/src/mathed/InsetMathSpace.cpp
index 627664b63116b56b1cf271fe4eab246adcba463e..db096092b8e0d2b8767b0f960827bee9417b44ef 100644 (file)
--- a/src/mathed/InsetMathSpace.cpp
+++ b/src/mathed/InsetMathSpace.cpp
@@ -320,9 +320,11 @@ void InsetMathSpace::doDispatch(Cursor & cur, FuncRequest & cmd)
        case LFUN_INSET_MODIFY:
                if (cmd.getArg(0) == "mathspace") {
                        MathData ar;
+                       Buffer * buf = buffer_;
                        if (createInsetMath_fromDialogStr(cmd.argument(), ar)) {
                                cur.recordUndo();
                                *this = *ar[0].nucleus()->asSpaceInset();
+                               buffer_ = buf;
                                break;
                        }
                }