diff -r 000000000000 -r 959103a6100f src/share/classes/com/sun/tools/doclets/formats/html/markup/HtmlTag.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/share/classes/com/sun/tools/doclets/formats/html/markup/HtmlTag.java	Wed Apr 27 01:34:52 2016 +0800
@@ -0,0 +1,136 @@
+/*
+ * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+package com.sun.tools.doclets.formats.html.markup;
+
+import com.sun.tools.javac.util.StringUtils;
+
+/**
+ * Enum representing HTML tags.
+ *
+ *  <p><b>This is NOT part of any supported API.
+ *  If you write code that depends on this, you do so at your own risk.
+ *  This code and its internal interfaces are subject to change or
+ *  deletion without notice.</b>
+ *
+ * @author Bhavesh Patel
+ */
+public enum HtmlTag {
+    A(BlockType.INLINE, EndTag.END),
+    BLOCKQUOTE,
+    BODY(BlockType.OTHER, EndTag.END),
+    BR(BlockType.INLINE, EndTag.NOEND),
+    CAPTION,
+    CENTER,
+    CODE(BlockType.INLINE, EndTag.END),
+    DD,
+    DIR,
+    DIV,
+    DL,
+    DT,
+    EM(BlockType.INLINE, EndTag.END),
+    FONT(BlockType.INLINE, EndTag.END),
+    FRAME(BlockType.OTHER, EndTag.NOEND),
+    FRAMESET(BlockType.OTHER, EndTag.END),
+    H1,
+    H2,
+    H3,
+    H4,
+    H5,
+    H6,
+    HEAD(BlockType.OTHER, EndTag.END),
+    HR(BlockType.BLOCK, EndTag.NOEND),
+    HTML(BlockType.OTHER, EndTag.END),
+    I(BlockType.INLINE, EndTag.END),
+    IMG(BlockType.INLINE, EndTag.NOEND),
+    LI,
+    LISTING,
+    LINK(BlockType.OTHER, EndTag.NOEND),
+    MENU,
+    META(BlockType.OTHER, EndTag.NOEND),
+    NOFRAMES(BlockType.OTHER, EndTag.END),
+    NOSCRIPT(BlockType.OTHER, EndTag.END),
+    OL,
+    P,
+    PRE,
+    SCRIPT(BlockType.OTHER, EndTag.END),
+    SMALL(BlockType.INLINE, EndTag.END),
+    SPAN(BlockType.INLINE, EndTag.END),
+    STRONG(BlockType.INLINE, EndTag.END),
+    SUB(BlockType.INLINE, EndTag.END),
+    TABLE,
+    TBODY,
+    TD,
+    TH,
+    TITLE(BlockType.OTHER, EndTag.END),
+    TR,
+    TT(BlockType.INLINE, EndTag.END),
+    UL;
+
+    public final BlockType blockType;
+    public final EndTag endTag;
+    public final String value;
+
+    /**
+     * Enum representing the type of HTML element.
+     */
+    public static enum BlockType {
+        BLOCK,
+        INLINE,
+        OTHER;
+    }
+
+    /**
+     * Enum representing HTML end tag requirement.
+     */
+    public static enum EndTag {
+        END,
+        NOEND;
+    }
+
+    HtmlTag() {
+        this(BlockType.BLOCK, EndTag.END);
+    }
+
+    HtmlTag(BlockType blockType, EndTag endTag ) {
+        this.blockType = blockType;
+        this.endTag = endTag;
+        this.value = StringUtils.toLowerCase(name());
+    }
+
+    /**
+     * Returns true if the end tag is required. This is specific to the standard
+     * doclet and does not exactly resemble the W3C specifications.
+     *
+     * @return true if end tag needs to be displayed else return false
+     */
+    public boolean endTagRequired() {
+        return (endTag == EndTag.END);
+    }
+
+    public String toString() {
+        return value;
+    }
+}