ockquote>

<p>
<b>Q.</b> 
I embed the build instructions for a noweb-based project in a code chunk
called <tt>build-script</tt> that I don't
wish to have show up in the printed documentation. So, I surround the
section with LaTeX <code>\iffalse ... \fi</code>.
If I do this at the same time as using noweb's index, the <code>\fi</code> shows up in
the generated TeX file
at the end of the index information, resulting in an empty index.
<p>
<blockquote><b>A.</b> 
Make sure that the <code>\fi</code> appears <em>