Returns %TRUE if the mark has been removed from its buffer with gtk_text_buffer_delete_mark(). See gtk_text_buffer_add_mark() for a way to add it to a buffer again.
Return: whether the mark is deleted
See Implementation
Returns %TRUE if the mark has been removed from its buffer with gtk_text_buffer_delete_mark(). See gtk_text_buffer_add_mark() for a way to add it to a buffer again.
Return: whether the mark is deleted