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Re: measure counter engraver

From: David Kastrup
Subject: Re: measure counter engraver
Date: Tue, 24 Apr 2012 14:24:09 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/24.1.50 (gnu/linux)

David Nalesnik <address@hidden> writes:

> On Tue, Apr 24, 2012 at 12:41 AM, David Kastrup <address@hidden> wrote:
>     Using define-event-class makes the file unfit for inclusion in
>     multi-file runs of LilyPond since define-event-class permanently
>     changes LilyPond.
> I'm a little confused by the word "permanently".  Here I understand
> that the new event-class, measure-counter-event, will persist between
> the files if I run a group of files containing my file, but will be
> gone in a new session not involving that file.  Any problems which
> might result will only affect that multi-file run?

Basically every use of lilypond-book is a multi-file run.  So are our

>     I am working on a replacement
>     <URL:>, but
>     the pending patch is just one of several changes needed for
>     changing the event class hierarchy into a per-parser item instead
>     of a global entity.
> Thank you, David--I appreciate this very much.

I doubt that Erik Sandberg would appreciate it.  His idea of an
executable-independent event stream is moot if the stream event
hierarchy is session dependent.

David Kastrup

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