[OS X TeX] New TeX i-Package released

Maarten Sneep maarten.sneep at xs4all.nl
Tue Oct 26 22:00:24 CEST 2004

On 26 okt 2004, at 18:37, Piet van Oostrum wrote:

> The last problem is very strange, and I haven't been able to diagnose 
> it
> properly. I have a file that uses beamer, but through my own class. It 
> runs
> properly with pdflatex, but not with latex. In the latter case it 
> gives a
> strange undefined control sequence. I must investigate what causes 
> tris.
> ! Undefined control sequence.
> \GenericError  ...
>                                                     #4  \errhelp 
> \@err@     ...
> l.13 \maketitle

How does Beamer test for pdflatex? if it uses an old construct like


it will fail under latex, since both latex and pdflatex define this 
macro (they just set it to different values).

The proper way would be to use the ifpdf package.


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