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From: "Sébastien Vauban" <wxhgmqzgwmuf-geNee64TY+gS+FvcfC7Uqw@public.gmane.org>
To: emacs-orgmode-mXXj517/zsQ@public.gmane.org
Subject: Re: [org-beamer] \alert
Date: Fri, 29 Jan 2010 16:36:47 +0100	[thread overview]
Message-ID: <87vdek53e8.fsf@mundaneum.com> (raw)
In-Reply-To: 87aavxrtff.wl%ucecesf@ucl.ac.uk

Hi Eric, Tim, Carsten and all,

Eric S Fraga wrote:
> At Fri, 29 Jan 2010 06:26:21 -0500, Tim Burt wrote:
>> Eric S Fraga writes:
>>> For any LaTeX expert out there, is there an easy way to determine whether
>>> a particular macro has been defined? If so, we wouldn't even need to check
>>> for beamer, simply for \alert.
>> 
>> Use the 
>>   \ifx<command>\undefined ... \else ... \fi 
>> construct to determine if a command already exists, and then to take action
>> in the appropriate case. Test the example below both as-is and with the
>> first ~\newcommand*{\thisalert}~ commented out to see the different
>> results.

Thanks to all. This is great stuff...


> The following org-mode line does the job for me:
>
> #+latex_header: \ifx\alert\undefined\let\alert\textbf\fi
>
> If \alert is not defined, I have =alert= behave as =textbf=.

Could this somehow made part of Org-mode, so that one does not need to repeat
this one-liner in every file that could be exported to pure LaTeX and/or
Beamer?

Best regards,
  Seb

-- 
Sébastien Vauban



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  reply	other threads:[~2010-01-29 15:36 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-01-24 19:10 [org-beamer] \alert Sven Bretfeld
2010-01-25 10:58 ` Eric S Fraga
2010-01-25 16:55   ` Sven Bretfeld
2010-01-26 15:06   ` Sébastien Vauban
2010-01-26 16:22     ` Eric S Fraga
2010-01-28 17:58       ` Carsten Dominik
2010-01-29  9:40         ` Eric S Fraga
2010-01-29 11:26           ` Tim Burt
2010-01-29 12:23             ` Eric S Fraga
2010-01-29 15:36               ` Sébastien Vauban [this message]
2010-02-01 16:18                 ` Carsten Dominik
2010-02-03  8:31         ` Karsten Heymann
2010-02-03 10:21           ` Carsten Dominik
2010-02-03 22:05             ` Sven Bretfeld

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