From 640b0d5f16d9a0ab83626464f472a9774b166c9f Mon Sep 17 00:00:00 2001
From: "Davide P. Cervone" <dpvc@union.edu>
Date: Wed, 18 Mar 2015 12:13:32 -0400
Subject: [PATCH] Add support for <ms> element

---
 unpacked/jax/output/CommonHTML/autoload/ms.js | 73 +++++++++++++++++++
 unpacked/jax/output/CommonHTML/jax.js         |  7 +-
 2 files changed, 77 insertions(+), 3 deletions(-)
 create mode 100644 unpacked/jax/output/CommonHTML/autoload/ms.js

diff --git a/unpacked/jax/output/CommonHTML/autoload/ms.js b/unpacked/jax/output/CommonHTML/autoload/ms.js
new file mode 100644
index 000000000..72cb20452
--- /dev/null
+++ b/unpacked/jax/output/CommonHTML/autoload/ms.js
@@ -0,0 +1,73 @@
+/* -*- Mode: Javascript; indent-tabs-mode:nil; js-indent-level: 2 -*- */
+/* vim: set ts=2 et sw=2 tw=80: */
+
+/*************************************************************
+ *
+ *  MathJax/jax/output/CommonHTML/autoload/ms.js
+ *  
+ *  Implements the CommonHTML output for <ms> elements.
+ *
+ *  ---------------------------------------------------------------------
+ *  
+ *  Copyright (c) 2015 The MathJax Consortium
+ * 
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+
+MathJax.Hub.Register.StartupHook("CommonHTML Jax Ready",function () {
+  var VERSION = "2.5.0";
+  var MML = MathJax.ElementJax.mml,
+      CHTML = MathJax.OutputJax.CommonHTML;
+  
+  MML.ms.Augment({
+    toCommonHTML: function (node) {
+      //
+      //  Create the node and handle its styles and scaling
+      //  Get the variant and an empty bounding box
+      //
+      node = this.CHTMLcreateNode(node);
+      this.CHTMLhandleStyle(node);
+      this.CHTMLhandleScale(node);
+      this.CHTMLgetVariant();
+      CHTML.BBOX.empty(this.CHTML);
+      //
+      //  Get the quotes to use
+      //
+      var values = this.getValues("lquote","rquote");
+      if (!this.hasValue("lquote")) values.lquote = "\u201C";
+      if (!this.hasValue("rquote")) values.rquote = "\u201D";
+      //
+      //  Add the left quote, the child nodes, and the right quote
+      //  FIXME:  should the quotation marks be in MML.VARIANT.NORMAL?
+      //
+      this.CHTMLhandleText(node,values.lquote,this.CHTMLvariant);
+      for (var i = 0, m = this.data.length; i < m; i++) this.CHTMLaddChild(node,i,{});
+      this.CHTMLhandleText(node,values.rquote,this.CHTMLvariant);
+      //
+      //  Finish the bbox, add any needed space and color
+      //
+      this.CHTML.clean();
+      this.CHTMLhandleSpace(node);
+      this.CHTMLhandleBBox(node);
+      this.CHTMLhandleColor(node);
+      //
+      //  Return the completed node
+      //
+      return node;
+    }
+  });
+  
+  MathJax.Hub.Startup.signal.Post("CommonHTML ms Ready");
+  MathJax.Ajax.loadComplete(CHTML.autoloadDir+"/ms.js");
+});
+
diff --git a/unpacked/jax/output/CommonHTML/jax.js b/unpacked/jax/output/CommonHTML/jax.js
index 2cfad14f1..0dec66234 100644
--- a/unpacked/jax/output/CommonHTML/jax.js
+++ b/unpacked/jax/output/CommonHTML/jax.js
@@ -1249,6 +1249,7 @@
       },
 
       CHTMLhandleText: function (node,text,variant) {
+        if (node.firstChild && !this.CHTML) this.CHTML = CHTML.BBOX.empty();
         this.CHTML = CHTML.handleText(node,text,variant,this.CHTML);
       },
       
@@ -1344,11 +1345,11 @@
       //
       //  Autoload files based on node type or file name
       //
-      HTMLautoload: function () {
+      CHTMLautoload: function () {
 	var file = CHTML.autoloadDir+"/"+this.type+".js";
 	HUB.RestartAfter(AJAX.Require(file));
       },
-      HTMLautoloadFile: function (name) {
+      CHTMLautoloadFile: function (name) {
 	var file = CHTML.autoloadDir+"/"+name+".js";
 	HUB.RestartAfter(AJAX.Require(file));
       },
@@ -2294,7 +2295,7 @@
 
     /********************************************************/
 
-//    MML.ms.Augment({toCommonHTML: MML.mbase.CHTMLautoload});
+    MML.ms.Augment({toCommonHTML: MML.mbase.CHTMLautoload});
 //    MML.mglyph.Augment({toCommonHTML: MML.mbase.CHTMLautoload});
 //    MML.menclose.Augment({toCommonHTML: MML.mbase.CHTMLautoload});
 //    MML.maction.Augment({toCommonHTML: MML.mbase.CHTMLautoload});