code: @Nonnull
    public static String getAsHTMLString (@Nonnull final IHCNode aHCNode,
                                          @Nonnull final IHCConversionSettings aConversionSettings)
    {
      final IMicroNode aMicroNode = getAsNode (aHCNode, aConversionSettings);
      if (aMicroNode == null)
        return "";
  
      return MicroWriter.getNodeAsString (aMicroNode, aConversionSettings.getXMLWriterSettings ());
    }
docs: Convert the passed node to it's HTML representation. First this HC-node is
  converted to a micro node, which is than
  
  @param aHCNode
  The HC node to be converted to an HTML string. May not be
  <code>null</code>.
  @param aConversionSettings
  The conversion settings to be used. May not be <code>null</code>.
  @return The node as HTML string. Never <code>null</code>.