Merge pull request #282 from mathjax/issue277

[main] mmlNode should force mml

Author: pkra

lib/main.js

@@ -537,7 +537,7 @@ function GetMML(result) {
     }
   }
   try {
-    if (data.mml) result.mml = jax.root.toMathML('',jax);
+    result.mml = jax.root.toMathML('',jax);
     if (data.mmlNode) result.mmlNode = jsdom(result.mml).body.firstChild;
   } catch(err) {
     if (!err.restart) {throw err;} // an actual error

test/issue277.js

@@ -0,0 +1,16 @@
+var tape = require('tape');
+var mjAPI = require("../lib/main.js");
+
+tape('mmlNode should enable mml', function(t) {
+    t.plan(1);
+    mjAPI.start();
+    var tex = 'x';
+
+    mjAPI.typeset({
+        math: tex,
+        format: "TeX",
+        mmlNode: true
+    }, function(data) {
+        t.ok(data.mml, 'MathML generated');
+    });
+});