Re: rendering differences if using `-j12 CPU_COUNT=12`

[Jonas Hahnfeld]

Am Samstag, dem 01.05.2021 um 10:16 +0200 schrieb Jean Abou Samra:
> Since commit 4751d0a66e97a61c763c150bb38f0446cc945f4d,
> ly/turkish-makam.ly contains this:
> 
> #(set! standard-alteration-glyph-name-alist
>         (append turkishMakamGlyphs
>                 standard-alteration-glyph-name-alist))
> 
> 
> which changes the shared variable
> standard-alteration-glyph-name-alist, used by the
> \sharp markup command among others.
> 
> [...]
> 
> This means that if a snippet using turkish-makam.ly
> is compiled, in the same session, before a file
> using \markup \sharp, the glyph changes.
> 
> Basically the mechanism should be changed so that
> set! is no longer needed.

I think all that's needed is changing
    (define-public standard-alteration-glyph-name-alist
to
    (define-session-public standard-alteration-glyph-name-alist
and the session mechanism will take care to restore the initial value
after each file (as lang as you don't use destructive operations on
that initial value).

Jonas

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