code: public Document build( Reader reader ) throws IOException
      {
          String content = IOUtil.readContent(reader);
          String html = content;
          if (dialect != null) {
              html = dialect.convert(content);
          }
          html = injectCss(html);
          Example example = parse( html );
          if (example == null) example = new TextExample( html );
          return Document.html( example, name( html ), externalLink( html ) );
      }
docs: {@inheritDoc}