If only one location is specified, this function returns what kind of
white spaces are drawn at that location. The value is retrieved from the
#GtkSourceSpaceDrawer:matrix property.
If several locations are specified, this function returns the logical AND for
those locations. Which means that if a certain kind of white space is present
in the return value, then that kind of white space is drawn at all the
specified @locations.
If only one location is specified, this function returns what kind of white spaces are drawn at that location. The value is retrieved from the #GtkSourceSpaceDrawer:matrix property.
If several locations are specified, this function returns the logical AND for those locations. Which means that if a certain kind of white space is present in the return value, then that kind of white space is drawn at all the specified @locations.