set_markup
Description:
Utility function to set the text and attributes to be displayed.
See the [property@Gtk.Inscription:markup] property.
Parameters:
| this | a `GtkInscription` | 
| markup | The markup to display | 
Utility function to set the text and attributes to be displayed.
See the [property@Gtk.Inscription:markup] property.
| this | a `GtkInscription` | 
| markup | The markup to display |