diff -r ef127ac682bd -r c2d2a8f8d70c text/kw_macros.tex
--- a/text/kw_macros.tex	Tue Feb 23 05:49:12 2010 +0000
+++ b/text/kw_macros.tex	Wed Feb 24 01:25:59 2010 +0000
@@ -23,6 +23,7 @@
 \def\pd#1#2{\frac{\partial #1}{\partial #2}}
 \def\lf{\overline{\cC}}
 \def\ot{\otimes}
+\def\vphi{\varphi}
 \def\inv{^{-1}}
 
 \def\spl{_\pitchfork}