From cfeaa8668f06d243795c2a2de99da99ecf38ec84 Mon Sep 17 00:00:00 2001
From: "Davide P. Cervone" <dpvc@union.edu>
Date: Tue, 7 Jun 2016 10:23:01 -0400
Subject: [PATCH] Mark delimters are symmetric when used with \left and \right.
  Resolves issue #1084.

---
 unpacked/jax/input/TeX/jax.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/unpacked/jax/input/TeX/jax.js b/unpacked/jax/input/TeX/jax.js
index 8463c8be3..90bcec558 100644
--- a/unpacked/jax/input/TeX/jax.js
+++ b/unpacked/jax/input/TeX/jax.js
@@ -2210,9 +2210,9 @@
      */
     fenced: function (open,mml,close) {
       var mrow = MML.mrow().With({open:open, close:close, texClass:MML.TEXCLASS.INNER});
-      mrow.Append(MML.mo(open).With({fence:true, stretchy:true, texClass:MML.TEXCLASS.OPEN}));
+      mrow.Append(MML.mo(open).With({fence:true, stretchy:true, symmetric:true, texClass:MML.TEXCLASS.OPEN}));
       if (mml.type === "mrow") {mrow.Append.apply(mrow,mml.data)} else {mrow.Append(mml)}
-      mrow.Append(MML.mo(close).With({fence:true, stretchy:true, texClass:MML.TEXCLASS.CLOSE}));
+      mrow.Append(MML.mo(close).With({fence:true, stretchy:true, symmetric:true, texClass:MML.TEXCLASS.CLOSE}));
       return mrow;
     },
     /*