Put \ifx guards on most other package includes, too.

[mjotex.git] / mjo-convex.tex

diff --git a/mjo-convex.tex b/mjo-convex.tex
index dfc282213908c28028b8d018474de6b19a368555..5a930fcf34ec9531f9d5b7af792d75b1c3be055c 100644 (file)
--- a/mjo-convex.tex
+++ b/mjo-convex.tex
@@ -5,8 +5,9 @@
 \def\havemjoconvex{1}
 
 
-% Needed for \operatorname.
-\usepackage{amsopn}
+\ifx\operatorname\undefined
+  \usepackage{amsopn}
+\fi
 
 \input{mjo-common}