Re: Re: IMPORTANT: (possibly) incompatible Change

[Carsten Dominik <carsten.dominik@gmail.com>]

On Apr 3, 2010, at 8:49 PM, Mark Elston wrote:

> Carsten,
>
> Is there a way to *remove* one or more of the packages in
> org-export-latex-default-packages-alist?  I find that marvosym
> is conflicting with one of the packages I use in my notes and
> handouts that I generate from org-mode.  (marvosym and bbding
> both provide a Cross - I don't use that symbol but it interferes
> with latex processing to have them both defined)

Hi Mark,

if you read the docstring of that variable, you will see
that you can do this for exactly this kine of problem.  Just remove
it, and the do not use symbols from this oackage.

>
> I suppose a way to remove one or more packages in *specific*
> export classes would be ideal...

You can do this yourself using a hook.

- Carsten

>
> Mark
>
> On 4/2/2010 12:55 AM, Carsten Dominik wrote:
>>
>> On Apr 2, 2010, at 3:17 AM, Mark Elston wrote:
>>
>>> Carsten,
>>>
>>> Thanks for this clarification. This makes the transition much
>>> simpler than I originally thought. I can certainly remove the
>>> common package names.
>>>
>>> The existing org-export-latex-classes also contains the
>>> documentclass line. That won't change, will it? I am
>>> assuming from what you have written that the generated LaTeX code
>>> will be something like:
>>>
>>> <contents of org-export-latex-classes for the selected class>
>>> <contents of org-export-latex-default-packages-alist>
>>> <contents of org-export-latex-packages-alist for the selected class>
>>
>> Yes. But the latter two variables are independent of class.
>> And after these three components, #+LaTeX_HEADER stuff will be
>> added as well.
>>
>> - Carsten
>>
>>>
>>> Is this correct?
>>>
>>> Mark
>>>
>>> On 3/31/2010 11:59 PM, Carsten Dominik wrote:
>>>> Hi Mark,
>>>>
>>>> OK, it seems that I have really overstated this change. You are of
>>>> course right that your header for a document type can be very long,
>>>> that that defining it in org-export-latex-classes is a viable  
>>>> option
>>>> (other being to put this stuff into a separate file).
>>>>
>>>> So let me restate what I am trying to say in this thread.
>>>>
>>>> ------------------------------------------------------------------------------
>>>>
>>>>
>>>> Org-mode contains now a new variable
>>>> `org-export-latex-default-packages-alist'
>>>> which contains all the LaTeX packages it needs to use for basic  
>>>> Org-mode
>>>> functionality. The corresponding \usepackage statements used to  
>>>> be part
>>>> of the header definitions in org-export-latex-classes, and they  
>>>> had to
>>>> be repeated for each document class. This is wasteful, error  
>>>> prone, and
>>>> hard to maintain.
>>>> Therefore, these packages are now collected in the new variable,
>>>> and they will be spliced into the header.
>>>>
>>>> If you have customized the variable org-export-latex-classes, you
>>>> need to
>>>> remove the following lines from each class definition:
>>>>
>>>> \usepackage[AUTO]{inputenc}
>>>> \usepackage[T1]{fontenc}
>>>> \usepackage{graphicx}
>>>> \usepackage{longtable}
>>>> \usepackage{float}
>>>> \usepackage{wrapfig}
>>>> \usepackage{soul}
>>>> \usepackage{latexsym}
>>>> \usepackage{amssymb}
>>>> \usepackage{hyperref}
>>>>
>>>> If you have other packages you always want to use in all
>>>> classes, you can add them to another variable,
>>>> `org-export-latex-packages-alist'.
>>>> ------------------------------------------------------------------------------
>>>>
>>>>
>>>>
>>>>
>>>> I think this makes more sense, thank you for making me clarify  
>>>> this.
>>>>
>>>> - Carsten
>
>
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- Carsten