Creates a new #GtkTextChildAnchor. Usually you would then insert
it into a #GtkTextBuffer with gtk_text_buffer_insert_child_anchor().
To perform the creation and insertion in one step, use the
convenience function gtk_text_buffer_create_child_anchor().
Creates a new #GtkTextChildAnchor. Usually you would then insert it into a #GtkTextBuffer with gtk_text_buffer_insert_child_anchor(). To perform the creation and insertion in one step, use the convenience function gtk_text_buffer_create_child_anchor().
Return: a new #GtkTextChildAnchor