plain TeX: undefined control sequence \protected

David Carlisle d.p.carlisle at
Thu Dec 1 18:15:28 CET 2022

On Thu, 1 Dec 2022 at 15:32, Norbert Preining <norbert at> wrote:

> > $ tex test
> You need to run
>         etex test
> since tex is DEK original TeX, without a lot of extensions that are
> nowadays required by most packages. The "etex" binary contains the
> etex extensions.
> Norbert

This is true, but perhaps not the best design that miniltx, since the last
release, uses \protected exactly once, just before color.tex carefully
tests if it is defined or not...


> --
> PREINING Norbert                    
> Mercari Inc.     +     IFMGA Guide     +     TU Wien     +     TeX Live
> GPG: 0x860CDC13   fp: F7D8 A928 26E3 16A1 9FA0 ACF0 6CAC A448 860C DC13
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