--- a/text/kw_macros.tex Fri May 27 21:54:22 2011 -0600
+++ b/text/kw_macros.tex Sat May 28 09:49:30 2011 -0600
@@ -30,6 +30,7 @@
\def\inv{^{-1}}
\def\ol{\overline}
\def\BD{BD}
+\def\bbc{{\mathcal{BBC}}}
\def\spl{_\pitchfork}
\def\trans#1{_{\pitchfork #1}}