From d6939060edba1491b35ab4f76baa74d58671ad2e Mon Sep 17 00:00:00 2001
From: "Davide P. Cervone" <dpvc@union.edu>
Date: Fri, 16 Jan 2015 08:58:26 -0500
Subject: [PATCH] Don't produce error for empty annotation in CommonHTML
 output. (Issue #805)

---
 unpacked/jax/output/CommonHTML/jax.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/unpacked/jax/output/CommonHTML/jax.js b/unpacked/jax/output/CommonHTML/jax.js
index a6526ce43..47fd1582b 100644
--- a/unpacked/jax/output/CommonHTML/jax.js
+++ b/unpacked/jax/output/CommonHTML/jax.js
@@ -1126,7 +1126,7 @@
         span = this.CHTMLcreateSpan(span);
         if (this.data[0]) {
           this.data[0].toCommonHTML(span);
-          this.CHTML = this.data[0].CHTML;
+          MathJax.Hub.Insert(this.data[0].CHTML||{},this.CHTML);
         }
         return span;
       }