InsetMathGrid(Buffer * buf, col_type m, row_type n, char valign,
docstring const & halign);
///
- marker_type marker(BufferView const *) const override { return MARKER2; };
+ marker_type marker(BufferView const *) const override { return marker_type::MARKER2; };
///
void metrics(MetricsInfo & mi, Dimension &) const override;
///