bug#59328: 29.0.50; `seq-keep' implementation only valid for lists

[Michael Heerdegen]

Eli Zaretskii <eliz@gnu.org> writes:

> I don't understand: why cannot we add a test to Emacs, even though
> other tests are elsewhere?

Every kind of sequence (in the sense of seq.el) that exists in Emacs is
not affected by the bug.  A test makes only sense for types that are,
but those are defined in libraries that are not in Gnu Emacs, only in
Gnu Elpa.  But I can't make the test depend on them.

Michael.