I'm using `amsthm`

and `clrscode`

to typeset algorithms. I'd like to have my algorithms numbered, so I do this:

```
\theoremstyle{plain}
\newtheorem{algorithm}[equation]{Algorithm}
\begin{algorithm}
The folowing algorithm does something. This text should stay in italics.
\begin{codebox}
\Procname{$\proc{Do-Something}(x,y)$}
\li \Return $0$ \Comment{here italics should be disabled}
\end{codebox}
\end{algorithm}
```

The plain theorem style has theorem name and number in bold, which I like, and the theorem statement in italic, which I also like. Unfortunately, in the case of an algorithm, the whole algorithm is typeset in italics and that looks very bad. So, for algorithms I'd like to turn off italics.

How do I do that? Is there any environment that I could use to temporarily disable italics only in `codebox`

? If possible, I'd like to not create any new theorem style.

## Best Answer

The macro

`\code@init`

is run at the beginning of a`codebox`

environment. You can add`\normalfont`

to it, which disables also the italic mode set before:`\normalfont`

resp.`\code@init`

works locally here, so after the codebox ended the italic shape will be restored.