From mboxrd@z Thu Jan  1 00:00:00 1970
From: Marcin Borkowski <mbork@mbork.pl>
Subject: Re: latex newcommand in org
Date: Fri, 20 May 2016 21:50:05 +0200
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To: Eric S Fraga <e.fraga@ucl.ac.uk>
Cc: "emacs-orgmode@gnu.org" <emacs-orgmode@gnu.org>, "Doyley,
	Marvin M." <mdoyley@ur.rochester.edu>


On 2016-05-20, at 20:45, Eric S Fraga <e.fraga@ucl.ac.uk> wrote:

> On Friday, 20 May 2016 at 18:10, Doyley, Marvin M. wrote:
>> Hi there,
>>
>> In my group, we typically response to reviewers comments (in latex) by first defining the  following command in the header
>>
>> \newcommand{\response}[1]{\textcolor{red}{#1}}
>> then marking up the text as follows
>>
>> \response{red text}
>>
>> I try to do the same in org,  i.e., putting
>>  #+latex_header:\newcommand{\response}[1]{\textcolor{red}{#1}}
>> then \response{BLAH BLAH} in the text. The only snag is that on export I get \response\{BLAH BLAH\}
>
> Easiest solution is @@latex:\response{blah blah}@@ but that will lose you
> all the org formatting.  Longer solution is to use environments, such as
>
> #+begin_response
> blah blah blah
> #+end_response
>
> and define a "response" LaTeX environment, along these lines:
>
> #+latex_header: \makeatletter\newenvironment{response}{\textcolor{red}}{}\makeatother
>
> (untested)

Notice also that commands and environments in LaTeX are not
interchangeable; there are things only commands can do and things only
environments can do.  (Well, not really - technically, I guess,
environments are strictly more powerful than commands, though I'm not
100% sure - but some things are quite difficult to do with environments
and trivial with commands.)

See also
http://tex.stackexchange.com/questions/102141/what-are-the-consideration-when-choosing-either-newcommand-or-newenvironment

Best,

-- 
Marcin Borkowski
http://octd.wmi.amu.edu.pl/en/Marcin_Borkowski
Faculty of Mathematics and Computer Science
Adam Mickiewicz University