Re: function for Glissando with length stopped working

[MarcM]

David the new syntax looks great. Is there a way to have the minimum-length
taken into account?

Where can i find more info about upgrading the old syntax to 2.17?


David Kastrup wrote
> Nick Payne <

> address@hidden

> > writes:
> 
>> On 25/07/13 21:32, David Kastrup wrote:
>>> MarcM <

> marc@

> > writes:
>>>
>>>> I'm using nabble to post to lilypond and i had added the lilypond code.
>>>> Are
>>>> you not seeing it?
>>>> http://lilypond.1069038.n5.nabble.com/function-for-Glissando-with-length-stopped-working-tp148399p148402.html
>>>
>>> "Nabble" is not the list server.  The official archive is at
>>> <URL:http://lists.gnu.org/archive/html/lilypond-user/2013-07/msg00471.html>
>>> and you'll see that your code did not actually make it to the list.
>>>
>>> Either Nabble itself or the official list server has scraped that
>>> attachment off.  It would appear that only those who are reading the
>>> list via Nabble will be able to see it.
>>>
>> Problem with convert-ly. When running convert-ly against that code to
>> convert from 2.14.0 to 2.17.22, the function definition
>>
>> glissSize = #(define-music-function (blah...
>>
>> gets converted to
>>
>> glissSize = $(define-music-function (blah...
>>
>> The # is getting changed to a $...
> 
> Well yes, that's fishy.  It should instead have changed the #(begin to
> $(begin in order to reflect the previous use of ly:export.  ly:export is
> a rather tough cookie to convert by mere pattern matching.  Properly
> parsing inner #{ ... #} environments would add another sizeable layer of
> complexity.
> 
> But it's not like it's hard to correct this change.  What's less nice is
> that issue 2240 is also involved.  With some new features, I'd rewrite
> this completely as
> 
> \version "2.17.20"
> glissSize =
> #(define-event-function (parser location length)
>   (number?)
>   #{
>   \tweak #'minimum-length #length \glissando
>   #}
> )
> 
> \score {
>    {
>     a'' \glissando e'' 
>     a'' \glissSize #25 e'' 
>   }
>   \header {piece = "The default glissando is too short. usage: is a
> \glissSize #5 e "}
> }
> 
> which is quite nicer but apparently has the downside that minimum-length
> is getting completely ignored.  On the plus side, the default length
> looks reasonable, but that's a weak consolation.
> 
> -- 
> David Kastrup
> 
> 
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> lilypond-user mailing list

> lilypond-user@

> https://lists.gnu.org/mailman/listinfo/lilypond-user





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