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

[luigi scarso]

On Sat, Apr 9, 2022 at 6:07 PM luigi scarso <luigi.scarso at gmail.com> wrote:

>
>
> 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.
>


It should be fixed in rev7518.

-- 
luigi
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