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Re: Where to put new Scheme engravers?

From: David Kastrup
Subject: Re: Where to put new Scheme engravers?
Date: Sun, 28 Sep 2014 11:57:22 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/24.4.50 (gnu/linux)

James <address@hidden> writes:

> On 28/09/14 10:44, David Kastrup wrote:
>> Urs Liska <address@hidden> writes:
>>> Hi devs,
>>> sorry for the uninformed question, but I don't seem to be able to find
>>> an answer in the CG or in the source directory.
>>> If I have a new Scheme engraver that I'd like to suggest to be added,
>>> where would I look for a place to add it to?
>>> Is there a file (or a set of files grouped by topic) where I should
>>> insert it or can I add a dedicated file (in which folder)?
>> There is no really good place and part of the reason is that Scheme
>> engravers are second class citizens not traced in the Internals Guide.
>> Scheme engravers would need to get additional information, like the
>> _name_ of the engraver and its read, written and modified properties in
>> order to have that.
> So what, conceptually, is the difference between a 'Scheme Engraver' and
> a 'Snippet' or perhaps a 'command' (the ones that are like \tweak or
> \partial etc.) that appear in the *.scm file and a 'Scheme Engraver'?

Well, as a second-class citizen, a `Scheme Engraver' does not really
have much of a concept right now.  So the difference is that I don't
know how to answer this question with regard to a Scheme Engraver?

David Kastrup

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