Hello Joel,

As I commented on the github issue, this appears to be a bug in the
trace package:

\documentclass{article}
\usepackage{trace}
\begin{document}
\textit{half}.
\end{document}

Regards,
Bruno

On 8/8/12, Joel C. Salomon <[log in to unmask]> wrote:
> I posted this to <https://github.com/latex3/svn-mirror/issues/96>.
>
> This is specifically an l3doc bug; \textit produces correct lack of
> italic correction under ltxdoc.
>
> óJoel
>