Merge pull request #1465 from dpvc/issue1437

Don't set role in CHTML and HTML-CSS output.   Resolves issue #1437.

Author: dpvc

unpacked/jax/output/CommonHTML/jax.js

@@ -1722,7 +1722,6 @@
         }
         var alttext = this.Get("alttext");
         if (alttext && !node.getAttribute("aria-label")) node.setAttribute("aria-label",alttext);
-        if (!node.getAttribute("role")) node.setAttribute("role","math");
         if (this.CHTML.pwidth) {
           node.parentNode.style.width = this.CHTML.pwidth;
           node.parentNode.style.minWidth = this.CHTML.mwidth||CHTML.Em(this.CHTML.w);

unpacked/jax/output/HTML-CSS/jax.js

@@ -567,7 +567,7 @@
           {prev.parentNode.removeChild(prev)}
         //
         //  Add the span, and a div if in display mode,
-        //  then set the role and mark it as being processed
+        //  then mark it as being processed
         //
         jax = script.MathJax.elementJax; if (!jax) continue;
         jax.HTMLCSS = {display: (jax.root.Get("display") === "block")}
@@ -2902,7 +2902,6 @@
           span = this.HTMLcreateSpan(nobr);
           var alttext = this.Get("alttext");
           if (alttext && !span.getAttribute("aria-label")) span.setAttribute("aria-label",alttext);
-          if (!span.getAttribute("role")) span.setAttribute("role","math");
 	  stack = HTMLCSS.createStack(span); box = HTMLCSS.createBox(stack);
           // Move font-size from outer span to stack to avoid line separation 
           // problem in strict HTML mode

unpacked/jax/output/PlainSource/jax.js

@@ -69,8 +69,7 @@
           prev.parentNode.removeChild(prev);
         }
         //
-        //  Add the span, and a div if in display mode,
-        //  then set the role and mark it as being processed
+        //  Add the span, and a div if in display mode
         //
         jax = script.MathJax.elementJax;
         if (!jax) continue;

unpacked/jax/output/PreviewHTML/jax.js

@@ -189,7 +189,7 @@
           {prev.parentNode.removeChild(prev)}
         //
         //  Add the span, and a div if in display mode,
-        //  then set the role and mark it as being processed
+        //  then mark it as being processed
         //
         jax = script.MathJax.elementJax; if (!jax) continue;
         jax.PHTML = {display: (jax.root.Get("display") === "block")}