[luatex] Bug: attempt to double-free kern node

[luigi scarso]

On Sat, Apr 9, 2022 at 6:05 PM Henri Menke via luatex <luatex at tug.org>
wrote:

> Dear devs,
>
>    ! error:  (nodes): attempt to double-free kern node 239, ignored
>    !  ==> Fatal error occurred, no output PDF file produced!
>
> MWE:
>
>    \catcode`@=11
>
>    \Umathordordspacing\displaystyle=\thinmuskip
>    \Umathordordspacing\textstyle=\thinmuskip
>
>    \def\operator at font{\fam0}
>
>    \def\qopname#1#2#3{%
>      \mathop{\mathpalette\@qopname{#1\kern\z@\operator at font#3}}\csname
> n#2limits@\endcsname
>    }
>    \def\@qopname#1#2{%
>      \hbox{$
>        \Umathordordspacing\displaystyle=0mu
>        \Umathordordspacing\textstyle=0mu
>        \m at th#1#2
>        $}}
>
>    \def\max{\qopname\relax m{max}}
>    \def\min{\qopname\relax m{max}}
>
>    \catcode`@=12
>
>    $$\max a b / \min a b$$
>
>    \bye
>

ok, thank you . Checking it now.

-- 
luigi
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