public function setting_no_tax_structure_callback_function() {
		$no_taxonomy_structure = CPTP_Util::get_no_taxonomy_structure();
		echo '<input name="no_taxonomy_structure" id="no_taxonomy_structure" type="checkbox" value="1" class="code" ' . checked( false, $no_taxonomy_structure, false ) . ' /> ';
		$txt = __( "If you check this, the custom taxonomy's permalinks will be <code>%s/post_type/taxonomy/term</code>.", 'custom-post-type-permalinks' );
		echo sprintf( wp_kses( $txt, array( 'code' => array() ) ), esc_html( home_url() ) );
	}