code: @Nonnull
    public static IHCNode unescapeHTML (@Nonnull final String sHTML)
    {
      // Do standard cleansing (setting the correct namespace URI etc.)
      return unescapeHTML (sHTML,
                           new PageViewExternalHTMLCleanser (HCSettings.getConversionSettings ().getHTMLVersion ()));
    }
docs: Parse the provided HTML string and convert it to an {@link IHCNode}. After
  parsing the code is cleaned up using {@link PageViewExternalHTMLCleanser}.
  
  @param sHTML
  The source HTML. May not be <code>null</code>.
  @return The parsed HTML code as an {@link IHCNode}
  @throws IllegalStateException
  If parsing fails