[tex-live] Fwd: [OS X TeX] New TeX i-Package released

[Gerben Wierda]

The beamer class is not TL2004 ready:

Begin forwarded message:

> From: Maarten Sneep <maarten.sneep at xs4all.nl>
> Date: 26 October 2004 22:00:24 GMT+02:00
> To: "TeX on Mac OS X Mailing List" <MacOSX-TeX at email.esm.psu.edu>
> Subject: Re: [OS X TeX] New TeX i-Package released
> Reply-To: "TeX on Mac OS X Mailing List" <MacOSX-TeX at email.esm.psu.edu>
>
> 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
>
> \ifx\pdfoutput\undefined
>  ....
> \else
>  ....
> \fi
>
> 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.
>
> Maarten
>
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