mjo-algebra.tex: fix glossary sorting of \variety

[mjotex.git] / mjo-convex.tex

diff --git a/mjo-convex.tex b/mjo-convex.tex
index dfc282213908c28028b8d018474de6b19a368555..5ac7dcb974ebaf1282c3506cc7e5840bc9777871 100644 (file)
--- a/mjo-convex.tex
+++ b/mjo-convex.tex
@@ -5,10 +5,11 @@
 \def\havemjoconvex{1}
 
 
-% Needed for \operatorname.
-\usepackage{amsopn}
+\ifx\operatorname\undefined
+  \usepackage{amsopn}
+\fi
 
-\input{mjo-common}
+\input{mjo-common} % for \of, at least
 
 % The ``conic combination'' operator.
 \newcommand*{\cone}[1]{ \operatorname{cone} \of{{#1}} }