--- a/CookBook/document/root.tex	Wed Oct 01 20:42:55 2008 -0400
+++ b/CookBook/document/root.tex	Thu Oct 02 04:48:41 2008 -0400
@@ -22,7 +22,6 @@
 % sane default for proof documents
 \parindent 0pt\parskip 0.6ex
 
-
 % for comments on the margin
 \newcommand{\readmoremarginpar}[1]%
 {\marginpar[\raggedleft\small{#1}]{\raggedright\small{#1}}}
@@ -30,8 +29,9 @@
 \newenvironment{readmore}%
 {\hspace{-3pt}\readmoremarginpar{\fbox{\textbf{Read More}}}\it}{}
 
+% for exercises and comments
 \newtheorem{exercise}{Exercise}[section]
-
+\newcommand{\solution}[1]{{\bf Solution for Exercise~\ref{#1}.}}
 
 \begin{document}