On Sat, Apr 9, 2022 at 6:05 PM Henri Menke via luatex <[email protected]>
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@font{\fam0}
>
> \def\qopname#1#2#3{%
> \mathop{\mathpalette\@qopname{#1\kern\z@\operator@font#3}}\csname
> n#2limits@\endcsname
> }
> \def\@qopname#1#2{%
> \hbox{$
> \Umathordordspacing\displaystyle=0mu
> \Umathordordspacing\textstyle=0mu
> \m@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