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Joseph Wright <[log in to unmask]>
Thu, 17 Oct 2013 18:03:51 +0100
text/plain (29 lines)
On 17/10/2013 15:19, Alexander Grahn wrote:
> Consider the following example:
> \documentclass{article}
> \usepackage{xparse}
> \begin{document}
> \ifdefined\includegraphics
>   \typeout{Package `graphics' was loaded.}
> \fi
> \end{document}
> Why das xparse load graphics? What is it used for?
> Alexander

As Lars notes, it's expl3 rather than xparse that loads graphics.

At present, we don't use out 'native' graphics drivers by default for
scaling/rotation/... as part of l3box/l3coffins. As such, we rely on
graphics to do the back-end work. There is an open issue on this,
suggesting we switch to 'native' as standard with the LaTeX2e drivers as
an option. That might be a good idea as it means they get a proper
workout and also as clipping is only available with the native drivers.
The main downside is that we have fewer drivers than graphics does, so
would still need a fall-back for example for tex4ht.
Joseph Wright