From efd837e248bc54f18fd902dd1f0e8f5fc9b99e13 Mon Sep 17 00:00:00 2001
From: Jiahao Chen <jiahao@mit.edu>
Date: Tue, 3 Jun 2014 10:00:01 -0400
Subject: [PATCH] Define sqrt and cbrt as Unicode characters for pdflatex. Fix
 #7091

---
 doc/conf.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/doc/conf.py b/doc/conf.py
index c5f39d286dc9c..e7314347cdee9 100644
--- a/doc/conf.py
+++ b/doc/conf.py
@@ -201,6 +201,8 @@
         \DeclareUnicodeCharacter{2286}{\ensuremath{\subseteq}}
         \DeclareUnicodeCharacter{2713}{x}
         \DeclareUnicodeCharacter{27FA}{\ensuremath{\Longleftrightarrow}}
+        \DeclareUnicodeCharacter{221A}{\ensuremath{\sqrt{}}}
+        \DeclareUnicodeCharacter{221B}{\ensuremath{\sqrt[3]{}}}
     ''',
 }