allow \todo to take a parameter

diff --git a/main.tex b/main.tex
index 0562987..490ce72 100644 (file)
--- a/main.tex
+++ b/main.tex
@@ -10,7 +10,7 @@
 \urlstyle{sf}
 
 \newcommand{\pages}[1]{\marginpar{#1 pages}}
-\newcommand{\todo}{\textcolor{red}{TODO} \\}
+\newcommand{\todo}[1][]{\textcolor{red}{TODO #1} \\}
 \newcommand{\term}[1]{\emph{#1}}
 \newcommand{\code}[1]{\textsf{#1}}