Bug#264394: tetex-bin: e-TeX is broken on registers > 255

[Olaf Weber <olaf@infovore.xs4all.nl>]

Benjamin BAYART writes:

> Olaf, about your comments on the bug itself: in my minimal example, \z@
> was re-defined, so your explaination might be possible. But in the full
> initial example, \z@ was initially (as far as I can see) defined as
> \dimen263: I'm working on a very large document, which loads dozens of
> packages, and thus need more than the 256 registers in TeX, so I did a
> small patch on the LaTeX kernel to make it use register <255 for inserts
> and >255 for everything else. It works smoothly with Omega (did not yet
> try aleph) but triggered this bug in e-TeX.

Can you supply the patch and an example that shows the bug in
combination with it?  If nothing else, this can be a sanity check that
whatever fix is made actually fixes the underlying issue.

-- 
Olaf Weber

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