Thomas Morley <thomasmorle...@gmail.com> writes:

> 2018-06-02 13:04 GMT+02:00 David Baptista <david.burgo.bapti...@gmail.com>:
>> Good morning to all, I have recently picked up an unexpected behaviour when
>> using the articulate script in conjuction with tremolo and ties. Here is a
>> minimal example:
>>
>> \include "articulate.ly"
>>
>> \score{
>> c'1:16~ c'1:16
>> \layout{}
>> }
>>
>> \score{
>> \articulate { c'1:16~ c'1:16 }
>> \layout{}
>> }
>>
>> When  this type of notation appears in scores, the meaning is that the
>> tremolo is to last (in this example) for 2 measures. But the resulting
>> output of articulate has one long sustained note with tremolo only in the
>> second measure. I suspect the underlying bug is that the tied C is being
>> replicated resulting in a sequence of tied Cs, but musically this is an
>> incorrect behaviour.
>>
>> I reproduced this bug both in the latest stable (2.18.2) and unstable
>> (2.19.48) release.
>
>
> Hi,
>
> to me it looks more like a problem of \unfoldRepeats:
>
> mus = {
>     \repeat tremolo 16 c'16
>     ~
>     \repeat tremolo 16 c'16
> }

This is misleadingly formatted since it is interpreted as

mus = {
    \repeat tremolo 16
      c'16~
    \repeat tremolo 16
      c'16
}

My own gut feeling is that c'1:16~ is supposed to mean something
different, applying ~ to the whole rather than its parts.  But what with
things like ( \( ) \) -. -- and such?

> So a fix may be tricky.

We'd need to figure out what stuff means before fixing it.

-- 
David Kastrup

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