From mboxrd@z Thu Jan  1 00:00:00 1970
From: Nicolas Goaziou <mail@nicolasgoaziou.fr>
Subject: Re: beamer_env tag issue with empty headlines
Date: Wed, 19 Aug 2015 10:56:40 +0200
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	(Prateek Mehta's message of "Mon, 17 Aug 2015 23:11:59 -0400")
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To: Prateek Mehta <prateekmehta.in@gmail.com>
Cc: emacs-orgmode@gnu.org

Hello,

Prateek Mehta <prateekmehta.in@gmail.com> writes:

> I have a beamer block setup like below, so that it does not have a headline.
>
>
> **      :B_block:BMCOL:
>    :PROPERTIES:
>    :BEAMER_col: 0.64
>    :BEAMER_env: block
>    :END:
>
> - Some text here
>
> When I export it, the beamer environment tags show up in the pdf. This was
> not the case a couple of months ago, when the tags didn't appear in the
> pdf.
>
> If the the headline is not empty, the tags do not show in the pdf and it
> works as it used to.
>
> Has there been a recent change that introduced this?

This is an ambiguous headline. Indeed, it's impossible to tell if it is
an empty headline with tags or a headline without tags whose title is
":B_block:BMCOL:".

I think the last option is better as the first one prevents any
headline's title from being enclosed within colons. This is restrictive.

In any case, there are workarounds available for what you have to do.


Regards,

-- 
Nicolas Goaziou