code: function( context, target ) {
      var target   = target || 'ruby'
      var $target  = $.qsa( target, context )
  
      $.qsa( 'rtc', context )
      .concat( $target ).map( simplifyRubyClass )
  
      $target
      .forEach(function( $ruby ) {
        var clazz = $ruby.classList
        var $new
  
        if      ( clazz.contains( 'complex' ))  $new = renderComplexRuby( $ruby )
        else if ( clazz.contains( 'zhuyin' ))   $new = SUPPORT_IC ? renderInterCharRuby( $ruby ) : renderSimpleRuby( $ruby )
  
        // Finally, replace it
        if ( $new )  $ruby.parentNode.replaceChild( $new, $ruby )
      })
    }
docs: Address normalisation for both simple and complex rubies (interlinear annotations)