[ Version ( deprecated = true , deprecated_since = "3.24" , since = "2.4" ) ]
public SourceDrawSpacesFlags draw_spaces { get; set; }
Warning: draw_spaces is deprecated since 3.24.
Set if and how the spaces should be visualized.
Use the matrix property instead.
For a finer-grained method, there is also the GtkSourceTag's draw_spaces property.