LaTeX.org

Hey, this post above was a life-saver for me! I've registered just to reply!

I'm using book class, and only wanted two columns, so what I did was:

\usepackage{multicol}
\makeatletter
\renewenvironment{theindex}
{\if@twocolumn
\@restonecolfalse
\else
\@restonecoltrue
\fi
\setlength ...