X-Git-Url: http://gitweb.michael.orlitzky.com/?p=mjotex.git;a=blobdiff_plain;f=mjo-topology.tex;fp=mjo-topology.tex;h=760d44d96c4bbead22746a24b5712faa16478efa;hp=c7f50373ad8e98320f25088b2644e72828c1195b;hb=e6bb4f9ae2d3785b331388703b8793e0409d30af;hpb=ba0227140d34fe1c8cacdb4996b5896aec4c4013

diff --git a/mjo-topology.tex b/mjo-topology.tex
index c7f5037..760d44d 100644
--- a/mjo-topology.tex
+++ b/mjo-topology.tex
@@ -5,8 +5,9 @@
 \def\havemjotopology{1}
 
 
-% Needed for \operatorname.
-\usepackage{amsopn}
+\ifx\operatorname\undefined
+  \usepackage{amsopn}
+\fi
 
 \input{mjo-common}