[O] Beamer environment properties highlighting and shortcut

[John Hendy]

Hello,


I'm making the first beamer presentation in a while in which I've used
columns, and had to refresh myself on the syntax. I originally
referred to the original (legacy) beamer docs here simply due to it
being the first hit on my google search:
- http://orgmode.org/worg/exporters/beamer/tutorial.html

It states that =C-c C-b= will prompt for beamer specific headlines;
this does not appear to work with the new ox-beamer export engine. I
see the command is =org-beamer-select-environment=. Did this get
mapped to something else now?

That alerted me to the fact that the doc was outdated, and I referred
to the new export engine page on Worg here:
- http://orgmode.org/worg/exporters/beamer/ox-beamer.html

The section on special environment states:

#+begin_quote
Environments can be put in a column by setting the BEAMER_col property
on a headline. It accepts decimal point numbers which is interpreted
as a fraction of the text width. If the beadline does not have an
enviroment the headline text is ignored and all the contents are put
inside the column environment.
#+end_quote

I noted that B_col creates some sort of special fontification (see
attached screenshot), but does not create columns. =beamer_col= *does*
work, but is not syntax highlighted as special in any way.

Is this intended, or just a by-product of older code lying around? I
don't really need the boxes around the syntax, but it was a little
confusing as I thought "Oh, I guessed a property correctly!" But I
hadn't...


Thanks!
John

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