Utility property that sets both the gtk.inscription.Inscription.text and gtk.inscription.Inscription.attributes properties, mainly intended for use in GtkBuilder ui files to ease translation support and bindings.
This function uses func@Pango.parse_markup to parse the markup into text and attributes. The markup must be valid. If you cannot ensure that, consider using func@Pango.parse_markup and setting the two properties yourself.
Builder instance for fluent chaining
Set markup property.