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

[mjotex.git] / mjo-cone.tex

diff --git a/mjo-cone.tex b/mjo-cone.tex
index 35edc8e0199a34212a23011a15ef77ce2b9df2e9..703ecf44d0d63f2a78ddc51e9a2fac9238adc3f6 100644 (file)
--- a/mjo-cone.tex
+++ b/mjo-cone.tex
@@ -8,7 +8,9 @@
 \def\havemjocone{1}
 
 
-\usepackage{amssymb} % \succcurlyeq and friends
+\ifx\succcurlyeq\undefined
+  \usepackage{amssymb} % \succcurlyeq, \preccurlyeq
+\fi
 
 \input{mjo-common}