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From: | David Nalesnik |
Subject: | Re: question about overrides within repeats |
Date: | Sun, 22 Nov 2015 16:47:14 -0600 |
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".
>>
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