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Re: Feature request \includeonce

From: Colin Hall
Subject: Re: Feature request \includeonce
Date: Thu, 21 Mar 2013 12:36:45 +0000
User-agent: mu4e; emacs 24.2.1

Urs Liska writes:
> Am 21.03.2013 11:15, schrieb Colin Hall:
>> Urs Liska writes:
>>> Hi,
>>> I'm missing a command in LilyPond to include a file only once.
>> Michael O'Donnell enquired about this back in 2010:
>> http://lists.gnu.org/archive/html/lilypond-user/2010-01/msg00474.html
>> and there was a long discussion about why one would need this feature.
>> Michael supplied a prototype implementation:
>> http://lists.gnu.org/archive/html/lilypond-user/2010-02/msg00412.html
>> Would you like to take a look at that, Urs, and see if it meets your
>> needs?
> Yes, these were the informations I already found.
> Basically they meet my needs (or I'd be able to update the approaches to 
> current LilyPond syntax).
> Nevertheless I'd vote for a built-in solution with \includeonce.
>> I could not locate an existing tracker for this feature, so I'll create
>> one.

Here's a tracker for this new feature \includeonce 


I've added a comment to reference Michael O'Donnell's 2010
implementation of \includeIfAbsent.


Colin Hall

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