Source Reference:

• Component: bbPress :: bbp-topic

  File: /bbp-includes/bbp-topic-template.php :: Trac Source Line: 3033

  		// Add before and after if description exists
  		if ( !empty( $term->description ) )
  			$retval = $before . $term->description . $after;
  
  		// No description, no HTML
  		else
  			$retval = '';
  
  		return apply_filters( 'bbp_get_topic_tag_description', $retval, $args );
  	}
  
  /** Forms *********************************************************************/
  
  /**
   * Output the value of topic title field
   *
   * @since bbPress (r2976)
   *
   * @uses bbp_get_form_topic_title() To get the value of topic title field