From mboxrd@z Thu Jan  1 00:00:00 1970
From: "Loris Bennett" <loris.bennett@fu-berlin.de>
Subject: Re: Placement of \makeatletter with \beamer@frametextheight
Date: Fri, 30 Nov 2018 08:13:11 +0100
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Julius Müller <Julius.S.Mueller@eureca.de> writes:

> Am 29.11.18 um 14:07 schrieb Loris Bennett:

[snip (33 lines)]

>>  After that I tried adding the definition on the slide itself
>> 
>>   #+BEGIN_SRC latex
>>   \newlength\mytextheight\makeatletter\setlength\mytextheight{\beamer@frametextheight}\makeatother
>>   #+END_SRC
>
> Hm, src-block? I would have thought you should wrap that in an
> export-block, so those commands get added to the exported document, not
> quoted within as a source code. That would mean
>
> #+begin_export latex
> \newlength\mytextheight\makeatletter\setlength\mytextheight{\beamer@frametextheight}\makeatother
> #+end_export

I tried that, but still got the error about \beamer being undefined.
However, my understanding is that, if I am exporting to LaTeX, then

  BEGIN_SRC latex

and

  BEGIN_EXPORT latex

do the same thing.  So if I have the following in my org file:

  #+BEGIN_EXPORT latex
  \newlength\mytextheight\makeatletter\setlength\mytextheight{\beamer@frametextheight}\makeatother
  #+END_EXPORT

  #+BEGIN_SRC latex
  \newlength\mytextheight\makeatletter\setlength\mytextheight{\beamer@frametextheight}\makeatother
  #+END_SRC

I get

  \newlength\mytextheight\makeatletter\setlength\mytextheight{\beamer@frametextheight}\makeatother

  \newlength\mytextheight\makeatletter\setlength\mytextheight{\beamer@frametextheight}\makeatother

in my tex file.

Cheers,

Loris

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