bug#48324: 27.2; hexl-mode duplicates the UTF-8 BOM

[Lars Ingebrigtsen]

Eli Zaretskii <eliz@gnu.org> writes:

> You obviously have a very specific use case in mind.  But there are
> others.

I don't see any other use cases for requesting a specific number of
bytes than having some restrictions for the usage of that selection of
bytes. 

>> (And we don't have a -without-signature variant, do we?)
>
> We do: utf-16le and utf-16be.

I've now mentioned this in the doc string.

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