This function serializes the portion of text between start
and end in the rich text format represented by format.
formats to be used must be registered using
gtk_text_buffer_register_serialize_format() or
gtk_text_buffer_register_serialize_tagset() beforehand.
Since 2.10
This function serializes the portion of text between start and end in the rich text format represented by format. formats to be used must be registered using gtk_text_buffer_register_serialize_format() or gtk_text_buffer_register_serialize_tagset() beforehand. Since 2.10