X-Git-Url: http://gitweb.michael.orlitzky.com/?p=mjotex.git;a=blobdiff_plain;f=mjo-common.tex;fp=mjo-common.tex;h=8ead1233ece6d100f632c6f390d391d7bd957142;hp=7b6280b245233c9ae8928e2e480a05777e312b51;hb=fc7cfa7f3d02715cb09eae2e1c6bc501dc2d8d50;hpb=d4712abb88a2f342f31bbd60426d1a983df05ac2

diff --git a/mjo-common.tex b/mjo-common.tex
index 7b6280b..8ead123 100644
--- a/mjo-common.tex
+++ b/mjo-common.tex
@@ -1,6 +1,9 @@
 %
 % Only the most commonly-used macros. Needed by everything else.
 %
+\ifx\havemjocommon\undefined
+\def\havemjocommon{1}
+
 
 % Needed for \mathbb.
 \usepackage{amsfonts}
@@ -132,3 +135,6 @@
 \providecommand*{\intervaloc}[2]{ \left({#1},{#2}\right] } % open-closed
 \providecommand*{\intervalco}[2]{ \left[{#1},{#2}\right) } % closed-open
 \providecommand*{\intervalcc}[2]{ \left[{#1},{#2}\right] } % closed-closed
+
+
+\fi