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Re: \unfoldRepeats type none

From: David Kastrup
Subject: Re: \unfoldRepeats type none
Date: Mon, 23 Apr 2018 14:21:23 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/26.0.50 (gnu/linux)

Knut Petersen <address@hidden> writes:

> Hi everybody!
> I think it would be useful to add a repeat-type "none" to the 
> repeat-types-alist in unfold-repeats (music-functions.scm), e.g.
>    (define-public (unfold-repeats types music)
>       "Replace repeats of the types given by @var{types} with unfolded 
> repeats.
>    If @var{types} is an empty list, @code{repeated-music} is taken, unfolding 
> all."
>       (let* ((types-list
>                (if (or (null? types) (not (list? types)))
>                    (list types)
>                    types))
>              (repeat-types-alist
>                '((volta . volta-repeated-music)
>                  (percent . percent-repeated-music)
>                  (tremolo . tremolo-repeated-music)
>    + *(none . music)*
>                  (() . repeated-music)))
> An example that demonstrates the reason for my request is attached. Any 
> objections?

Huh.  I'd rather have #f stand for the default, and '() for none.  That
seems like a saner interface since an empty list carries obvious

Not backwards-compatible but I think this one has not been released in a
stable release yet.

David Kastrup

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