diff -r 4888269574d9 -r ea9f0b3c1b14 text/kw_macros.tex
--- a/text/kw_macros.tex	Fri Jun 05 17:41:54 2009 +0000
+++ b/text/kw_macros.tex	Fri Jun 05 19:43:27 2009 +0000
@@ -19,6 +19,7 @@
 \def\deq{\stackrel{\mathrm{def}}{=}}
 \def\pd#1#2{\frac{\partial #1}{\partial #2}}
 \def\lf{\overline{\cC}}
+\def\ot{\otimes}
 
 \def\nn#1{{{\it \small [#1]}}}
 \long\def\noop#1{}