diff -r e6c5b5ee9fac -r ce4f0769b4b2 src/share/classes/com/sun/tools/doclets/formats/html/PackageTreeWriter.java
--- a/src/share/classes/com/sun/tools/doclets/formats/html/PackageTreeWriter.java	Tue May 14 10:14:53 2013 -0700
+++ b/src/share/classes/com/sun/tools/doclets/formats/html/PackageTreeWriter.java	Tue May 14 10:14:53 2013 -0700
@@ -115,7 +115,7 @@
     protected void generatePackageTreeFile() throws IOException {
         Content body = getPackageTreeHeader();
         Content headContent = getResource("doclet.Hierarchy_For_Package",
-                Util.escapeHtmlChars(Util.getPackageName(packagedoc)));
+                Util.getPackageName(packagedoc));
         Content heading = HtmlTree.HEADING(HtmlConstants.TITLE_HEADING, false,
                 HtmlStyle.title, headContent);
         Content div = HtmlTree.DIV(HtmlStyle.header, heading);