diff -r ffcd1a5eafd8 -r cf67ae4abeb1 text/kw_macros.tex
--- a/text/kw_macros.tex	Sun Jul 05 15:43:09 2009 +0000
+++ b/text/kw_macros.tex	Tue Jul 07 01:54:22 2009 +0000
@@ -6,6 +6,7 @@
 \def\r{\mathbb{R}}
 \def\c{\mathbb{C}}
 \def\t{\mathbb{T}}
+\def\ebb{\mathbb{E}}
 
 \def\du{\sqcup}
 \def\bd{\partial}