Appends the rich text targets registered with gtk_text_buffer_register_serialize_format() or gtk_text_buffer_register_deserialize_format() to the target list. All targets are added with the same @info.
an ID that will be passed back to the application
if %TRUE, then deserializable rich text formats will be added, serializable formats otherwise.
a #GtkTextBuffer.
2.10
See Implementation
Appends the rich text targets registered with gtk_text_buffer_register_serialize_format() or gtk_text_buffer_register_deserialize_format() to the target list. All targets are added with the same @info.