On Jan 26, 2010, at 5:22 PM, Eric S Fraga wrote:

At Tue, 26 Jan 2010 16:06:27 +0100,
Sébastien Vauban wrote:
Eric S Fraga wrote:
At 24 Jan 2010 20:10:03 +0100,
Sven Bretfeld wrote:

Is there any Symbol in org-beamer for \alert{Text}? In presentations \alert

[...]

     org-export-latex-emphasis-alist (quote
                                       (("*" "\\textbf{%s}" nil)
                                        ("/" "\\emph{%s}" nil)
                                        ("_" "\\underline{%s}" nil)
                                        ("+" "\\texttt{%s}" nil)
                                        ("=" "\\verb=%s=" nil)
                                        ("~" "\\verb~%s~" t)
                                        ("@" "\\alert{%s}" nil))))


That's what I'm using as well, but the problem is that it's not compatible
anymore with non-beamer LaTeX, the alert macro being unknown.

Very true.  I've never thought about this as my presentations are for
presentation only etc.  However, it would definitely be nice to have a
more general solution.

Would there be a way to conditionally translate @...@ to alert (if beamer) or to emph (if not-beamer), so that we can still easily compile a document to one or the other LaTeX "back-end", without having to customize variables in Emacs,
prior to a compilation to the other "back-end"?

The alist structure doesn't allow for embedded lisp code, as far as I
can tell.  It would obviously be easier if this structure could be
evaluated on the fly.

I must admit I do not have clear specifications on how to tell Org about such
a config...

The only suggestion I can come up with would be to modify this
variable using, for instance, the org-export-later-after-initial- vars-hook?

Is there a LaTeX command that can figure out if it is running a beamer class? If yes, a possible solution would be to redefine \alert in LaTeX when not doing BEAMER.

- Carsten



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