      *  Determines the actual label to be used for the NativeMenuItem
      *  by removing underscore characters and converting escaped underscore
      *  characters, if there are any.
+     *
+     *  @param data The data to parse for the label.
+     *
+     *  @return The label.
      *  
      *  @langversion 3.0
      *  @playerversion AIR 1.1

    /**
     *  Unsets the context menu of the InteractiveObject that has been set to
     *  the underlying native menu.
     *  
     *  @langversion 3.0
     *  @playerversion AIR 1.1

     *  Extracts the mnemonic index from a label based on the presence of
     *  an underscore character. It finds the leading underscore character if
     *  there is one and uses that as the index.
     *
     *  @param data The data to parse for the index.
     *
     *  @return The index.
     *  
     *  @langversion 3.0
     *  @playerversion AIR 1.1
