Aloha Gerald,

I don't know if you saw the earlier message.  Your org-mode is out of  
date.  You should update according to the instructions in that message.

Also, have you seen Worg?  http://orgmode.org/worg

Once you've upgraded to a recent version of org-mode, then the LaTeX  
export tutorial there might help get you over the steep part of the  
learning curve:
http://orgmode.org/worg/org-tutorials/org-latex-export.php

hth,
Tom

On Oct 21, 2010, at 6:56 AM, gerald.jean@dgag.ca wrote:

> Hello,
>
> first thanks Tassilo for your reply, it did help somehow but there  
> is still
> things I don't understand, see below.
>
> emacs-orgmode-bounces+gerald.jean=dgag.ca@gnu.org a écrit sur  
> 2010/10/21
> 11:03:48 :
>
>> gerald.jean@dgag.ca writes:
>>
>> Hi Gerald,
>>
>>> 1.- Following advice in the org manual I added the following lines  
>>> to
> my
>>> .emacs.
>>>
>>> (add-to-list 'auto-mode-alist '("\\.org\\'" . org-mode))
>>> (global-set-key "\C-cl" 'org-store-link)
>>> (global-set-key "\C-ca" 'org-agenda)
>>> (global-set-key "\C-cb" 'org-iswitchb)
>>> (setq org-log-done t)
>>>
>>> when I open a *.org file, org-mode is turned on OK.  But none of the
>>> "org-export-latex-*" variables are defined at this point?
>>
>> That's because at that point org is not loaded, but only registered  
>> at
>> the autoloading facility.  As soon as you invoke one of them (e.g.  
>> with
>> a keybinding) org is loaded, and then the missing variables will be
>> defined as well.
>>
>> But a variable doesn't need to be defvared before setting them, so  
>> you
>> can simply add
>>
>>  (setq org-export-latex-foobar "some nice setting")
>>
>> to your emacs file although that variable isn't known at that time.
>> When org is loaded your values won't be overridden.
>>
>>> 2.- Now, I want to use different packages, for example
>>>
>>> \usepackage[latin9]{inputenc}
>>> \usepackage[T1]{fontenc}
>>
>> I think the those should be added automatically, and the encoding is
>> determined by the org file's encoding.
>>
>>> \usepackage[english, francais]{babel}
>>>
>>> I posted about this yesterday and I got the following reply from  
>>> Thomas
> S.
>>> Dye, thanks Thomas,
>>
>> I didn't read that, but...
>>
>>> Perhaps the org-export-latex-classes variable is mis-configured.   
>>> IIUC,
> the
>>> [EXTRA] macro needs to be present:
>>
>> ... I don't think that variable is the right thing here.
>>
>>> Unfortunaetly this is not enough details for my little knowledge of
>>> elisp!  Could someone provide me with a clear example of what  
>>> needs to
>>> go in the .emacs file for packages with options and correspondingly
>>> what needs to go in the org file for that example.
>>
>> I think this should do what you want, e.g. enable babel with  
>> english and
>> francais options:
>>
>> --8<---------------cut here---------------start------------->8---
>> (setq org-export-latex-packages-alist
>>      '(("english, francais" "babel" nil)))
>> --8<---------------cut here---------------end--------------->8---
>>
>>> Does the .emacs file needs to be modified every time one wants to  
>>> add
>>> a new package?
>>
>> If you want a new package in every exported document, add an entry of
>> form (OPTIONS PACKAGE nil) to the list above.
>>
>
> That works, thanks, but when do you use "#+LATEX_HEADER:" then?  I  
> thought
> that if I wanted a package just for this one org file that it was  
> the way
> to specify it, sure doesn't work for me?
>
> I also looked at the manual to selectively export a part of the org  
> file.
> They talk about the "org-export-select-tags" and "org-export-exclude- 
> tags";
> these variables don't even exist?  They never explain how to create  
> them
> and how to set them?  They never explain neither how and where to  
> set the
> tags once the variables are set?
>
> Any light here?  Thanks again,
>
> Gérald
>
>
>> Bye,
>> Tassilo
>>
>>
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