From mboxrd@z Thu Jan  1 00:00:00 1970
From: Julien Cubizolles <j.cubizolles@free.fr>
Subject: Re: BEAMER_ACT ignored during export in column environment
Date: Thu, 10 Sep 2015 06:56:59 +0200
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References: <87613ju4qa.fsf@free.fr> <87io7jg00w.fsf@nicolasgoaziou.fr>
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In-Reply-To: <87io7jg00w.fsf@nicolasgoaziou.fr> (Nicolas Goaziou's message of
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Nicolas Goaziou <mail@nicolasgoaziou.fr> writes:

> Hello,
>
> Julien Cubizolles <j.cubizolles@free.fr> writes:
>
>> The "article" property of the "Column3" heading isn't exported to the
>> TeX file whereas the one of "Column 2 in a heading" is. However Beamer
>> supports this overlay for column environment.
>
> Are you sure column environment supports overlays? It doesn't seem so in
> my local copy of Beamer user's guide. I have
>
>   \begin{column}[<placement>]{<column width>}
>     <environment contents>
>   \end{column}
>
> It might be outdated, tho.

Nothing in my user's guide about overlay specifications for column
you're right. However the mode (<article> <beamer>) has an effect:
the environment is ignored in <article> mode at least. Moreover, a pure
overlay specification like <only@+> to a column environment doesn't
prevent a beamer document from being compiled. Couldn't org export it
so that we recover the <mode> usage=C2=A0?

Julien.