Re: Re: [org-beamer] \alert

[Carsten Dominik <carsten.dominik@gmail.com>]

On Jan 29, 2010, at 4:36 PM, Sébastien Vauban wrote:

> 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?

Yes - this is in there now.  Let's see if someone complains.

- Carsten