src/jdk.javadoc/share/classes/jdk/javadoc/internal/doclets/formats/html/AbstractOverviewIndexWriter.java

*** 139,149 ****
                  .setHeader(header)
                  .addMainContent(main)
                  .setFooter(footer)
                  .toContent());
          printHtmlDocument(
!                 configuration.metakeywords.getOverviewMetaKeywords(title, configuration.doctitle),
                  description, body);
      }
  
      /**
       * Adds the index to the documentation tree.
--- 139,149 ----
                  .setHeader(header)
                  .addMainContent(main)
                  .setFooter(footer)
                  .toContent());
          printHtmlDocument(
!                 configuration.metakeywords.getOverviewMetaKeywords(title, configuration.getOptions().docTitle),
                  description, body);
      }
  
      /**
       * Adds the index to the documentation tree.
*** 156,167 ****
       * Adds the doctitle to the documentation tree, if it is specified on the command line.
       *
       * @param body the document tree to which the title will be added
       */
      protected void addConfigurationTitle(Content body) {
!         if (configuration.doctitle.length() > 0) {
!             Content title = new RawHtml(configuration.doctitle);
              Content heading = HtmlTree.HEADING(Headings.PAGE_TITLE_HEADING,
                      HtmlStyle.title, title);
              Content div = HtmlTree.DIV(HtmlStyle.header, heading);
              body.add(div);
          }
--- 156,168 ----
       * Adds the doctitle to the documentation tree, if it is specified on the command line.
       *
       * @param body the document tree to which the title will be added
       */
      protected void addConfigurationTitle(Content body) {
!         String doctitle = configuration.getOptions().docTitle;
!         if (doctitle.length() > 0) {
!             Content title = new RawHtml(doctitle);
              Content heading = HtmlTree.HEADING(Headings.PAGE_TITLE_HEADING,
                      HtmlStyle.title, title);
              Content div = HtmlTree.DIV(HtmlStyle.header, heading);
              body.add(div);
          }