Re: question about overrides within repeats

[David Kastrup]

Simon Albrecht <address@hidden> writes:

> On 22.11.2015 21:44, David Kastrup wrote:
>> Thomas Morley <address@hidden> writes:
>>
>>> Though, why it is that arbitrary?
>>>
>>> Look at this variation and the attached image:
>>>
>>> \version "2.19.29"
>>> #(define test-nmbrs
>>>    (let ((nmbrs (circular-list 1 2 3 4)))
>>>      (lambda (grob)
>>>        (let ((n (car nmbrs)))
>>>          (set! nmbrs (cdr nmbrs))
>>>          (grob-interpret-markup grob (number->string n))))))
>>>
>>> {
>>>    \repeat unfold 8 {
>>>      \once \override TextScript.stencil = #test-nmbrs
>>>      c''4^\markup "foo"
>>>    }
>>> }
>> Well, it is exactly 2 variants of 1, 2, 3, 4 each.  I suspect that the
>> order of grob evaluation at some point when a system is printed depends
>> on the order of memory addresses.
>>
>> Find that point and you'll likely also have the culprit for various
>> other stuff behaving non-deterministically, like what is drawn on top of
>> what and other things frequently turning up in "make check".
>>
>
> Should I open a tracker issue for that? Defect or Enhancement?

We already have tracker issues for the non-determinacy of make check and
similar.

-- 
David Kastrup