Source Reference:

• Component: bbPress :: bbp-topic

  File: /bbp-includes/bbp-topic-template.php :: Trac Source Line: 2939

  		// Add before and after if description exists
  		if ( !empty( $term->term_id ) )
  			$retval = get_term_link( $term, bbp_get_topic_tag_tax_id() );
  
  		// No link
  		else
  			$retval = '';
  
  		return apply_filters( 'bbp_get_topic_tag_link', $retval );
  	}
  
  /**
   * Output the link of the current tag
   *
   * @since bbPress (r3348)
   *
   * @uses bbp_get_topic_tag_edit_link()
   */
  function bbp_topic_tag_edit_link( $tag = '' ) {