From mboxrd@z Thu Jan  1 00:00:00 1970
From: Guido Van Hoecke <guivho@gmail.com>
Subject: Re: why is 'no' the default value of :tangle
Date: Tue, 16 Apr 2013 15:09:05 +0200
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In-Reply-To: <86wqs2vq7r.fsf@somewhere.org> (Sebastien Vauban's message of
	"Tue, 16 Apr 2013 10:23:36 +0200")
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To: Sebastien Vauban <wxhgmqzgwmuf@spammotel.com>
Cc: emacs-orgmode@gnu.org

"Sebastien Vauban" <wxhgmqzgwmuf@spammotel.com> writes:

> Christian Moe wrote:
>> Guido Van Hoecke writes:
>>> I am wondering why the default value of header argument :tangle is 'no'
>>> rather than 'yes'.
>>
>> FWIW, the default makes sense to me. A document might contain lots of
>> little code blocks for one purpose or another (testing, little
>> utilities, version archive, etc.)  that you don't want included in the
>> tangled product.

I see, that's a very valid point.

>>> Back to google-calendar.org as an example.
>>>
>>> Is it normal that whomever wants to use the embedded elisp file needs
>>> to edit the source and e.g. insert a '#+PROPERTY: tangle yes'?
>>>
>>> It is clear that this file will need to be tangled by every single
>>> person that wants to use the embedded code, so should the default not
>>> allow for tangling without having the edit the input file?
>>
>> Well, if you're distributing code for others to use in the form of
>> source blocks in Org documents, it may be a courtesy to set `:tangle
>> yes'.
>>
>> But that doesn't necessarily give users the tangled result where they
>> want it on their system, with the filename they want, so they will often
>> have to edit it anyway.
>
> And you can change the default for your Org installation, by changing the
> default of the "tangle" header argument in your .emacs file:
>
> #+begin_src emacs-lisp
> ;; add default arguments
> (add-to-list 'org-babel-default-header-args
>              '(:tangle . "yes"))
> #+end_src

I should have known that this is configurable :)

Thank you guys,


Guido

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