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

[Andreas Schwab]

On Mai 10 2021, Eli Zaretskii wrote:

> FTR, here's a shorter and easier recipe:
>
>   emacs -Q
>   C-x C-f foo.txt RET
>   C-x RET f utf-8-with-signature-dos RET
>   1 2 3
>   C-x C-s
>   M-x hexl-mode RET
>   M-x hexl-insert-hex-char RET 00 RET

I guess the gist is that hexl-mode not only needs to account for the EOL
type, but also for the signature when computing original-point.

Andreas.

-- 
Andreas Schwab, schwab@linux-m68k.org
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