On Sat, Feb 5, 2022 at 3:05 PM Hans Hagen <[email protected]> wrote:

> On 2/5/2022 2:35 PM, Bruno Le Floch wrote:
> > On 2022-02-05 13:48, Hans Hagen wrote:
> >> this append and prepend mechanism started out as an experiment and it
> >> has some nasty pitfalls (esp when local and global get mixed) so that
> >> is why it has its own handler
> >
> > Bug related to this: prefixing \toksapp and similar gives a Fatal error,
> > where I would expect either that it works, or errors with "You can't use
> > a prefix with \toksapp".  (Here I'm removing unrelated lines in the
> > output.)
> >
> > $ luatex '\global\toksapp'
> > This is LuaTeX, Version 1.13.2 (TeX Live 2021)
> > ! This can't happen (prefix).
> > <*> \global\toksapp
> > !  ==> Fatal error occurred, no output PDF file produced!
> that can be fixed
>
>

Fixed in rev.  7489.
-- 
luigi
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