diff -r 7d398420577d -r 9d0b9ffcd86b text/kw_macros.tex
--- a/text/kw_macros.tex	Sun Oct 23 09:55:16 2011 -0600
+++ b/text/kw_macros.tex	Sun Oct 23 13:52:15 2011 -0600
@@ -31,6 +31,7 @@
 \def\ol{\overline}
 \def\BD{BD}
 \def\bbc{{\mathcal{BBC}}}
+\def\mbc{{\mathcal{MBC}}}
 \def\vcone{\text{V-Cone}}
 
 \def\spl{_\pitchfork}