From 11f617c51677136089727d266b3d2480f12eadbc Mon Sep 17 00:00:00 2001
From: "Davide P. Cervone" <dpvc@union.edu>
Date: Tue, 7 Jun 2016 15:50:49 -0400
Subject: [PATCH] Don't do assistive MathML when the output renderer is
 PlainSource.  Resolves issue #1497.

---
 unpacked/extensions/AssistiveMML.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/unpacked/extensions/AssistiveMML.js b/unpacked/extensions/AssistiveMML.js
index 6d6dea6f8..ce320454f 100644
--- a/unpacked/extensions/AssistiveMML.js
+++ b/unpacked/extensions/AssistiveMML.js
@@ -115,7 +115,8 @@
       while (state.i < m) {
         jax = state.jax[state.i];
         frame = document.getElementById(jax.inputID+"-Frame");
-        if (jax.outputJax !== "NativeMML" && frame && !frame.getAttribute("data-mathml")) {
+        if (jax.outputJax !== "NativeMML" && jax.outputJax !== "PlainSource" &&
+            frame && !frame.getAttribute("data-mathml")) {
           try {
             mml = jax.root.toMathML("").replace(/\n */g,"").replace(/<!--.*?-->/g,"");
           } catch (err) {