Gets the file that @section was parsed from. If no such file exists, for example because the CSS was loaded via @gtk_css_provider_load_from_data(), then %NULL is returned.
the #GFile that @section was parsed from or %NULL if @section was parsed from other data
3.2
See Implementation
Gets the file that @section was parsed from. If no such file exists, for example because the CSS was loaded via @gtk_css_provider_load_from_data(), then %NULL is returned.