local polyfol mathml a example

Author: davidcarlisle

spec.html

@@ -129,6 +129,12 @@
 			   " inlinemath" +
 			   (mclass.includes("mml4p") ? " removeOnSave" : "") );
 	    m.innerHTML=mmllist[i].querySelector("pre").textContent;
+            // echidna doesn't allow mathml a
+	    if (mclass.includes("mathmla")) {
+		m.innerHTML=m.innerHTML
+		    .replace(/a href="(.*)"/g,"mrow tabindex=\"0\" style=\"cursor:pointer\" onclick=\"document.location='$1'\"")
+		    .replace(/<\/a>/g, "</mrow>");
+	    }
 	    var atext;
 	    var aattrib=mmllist[i].getAttribute("alttext");
 	    if (aattrib)  {

src/presentation-markup.html

@@ -3833,16 +3833,16 @@ <h5 id="presm_grouping_sub_expressions_ex">Examples</h5>
  <p>Hyperref links that are compatible with MathML Core may be specified by using the
  <code class="starttag">&lt;a&gt;</code> element rather than
  <code class="starttag">&lt;mrow&gt;</code>:</p>
-<div class="example mathml mmlcore">
+<div class="mathmla example mathml mmlcore">
   <pre>
-    &lt;mrow href="https://openmath.org/cd/transc1.html#arccsch"&gt;
+    &lt;a href="https://openmath.org/cd/transc1.html#arccsch"&gt;
       &lt;mi&gt;arccsch&lt;/mi&gt;
-        &lt;mrow&gt;
-          &lt;mo&gt;(&lt;/mo&gt;
-          &lt;mi&gt;z&lt;/mi&gt;
-          &lt;mo&gt;)&lt;/mo&gt;
-        &lt;/mrow&gt;
+      &lt;mrow&gt;
+        &lt;mo&gt;(&lt;/mo&gt;
+        &lt;mi&gt;z&lt;/mi&gt;
+        &lt;mo&gt;)&lt;/mo&gt;
       &lt;/mrow&gt;
+    &lt;/a&gt;
  </pre>
  </div>