add_shortcode( 'post_tags', 'genesis_post_tags_shortcode' );
/**
 * Produces the tag links list.
 *
 * Supported shortcode attributes are:
 *   after (output after link, default is empty string),
 *   before (output before link, default is 'Tagged With: '),
 *   sep (separator string between tags, default is ', ').
 *
 * Output passes through 'genesis_post_tags_shortcode' filter before returning.
 *
 * @since 1.1.0
 *
 * @param array|string $atts Shortcode attributes. Empty string if no attributes.
 * @return string Shortcode output
 */
function genesis_post_tags_shortcode( $atts ) {

	$defaults = array(
		'after'  => '',
		'before' => __( 'Tagged With: ', 'genesis' ),
		'sep'    => ', ',
	);
	$atts = shortcode_atts( $defaults, $atts, 'post_tags' );

	$tags = get_the_tag_list( $atts['before'], trim( $atts['sep'] ) . ' ', $atts['after'] );

	//* Do nothing if no tags
	if ( ! $tags )
		return;

	if ( genesis_html5() )
		$output = sprintf( '<span %s>', genesis_attr( 'entry-tags' ) ) . $tags . '</span>';
	else
		$output = '<span class="tags">' . $tags . '</span>';

	return apply_filters( 'genesis_post_tags_shortcode', $output, $atts );

}