bug#53896: 28.0.91; Icomplete Vertical Mode fails to preview "C-x 8 RET 8072"

[Van Ly]

On Mon, 14 Feb 2022, Andreas Schwab wrote:

> > C-x 8 RET 807 has the completion
> >
> > LINEAR A SIGN A807
>
> That's not a plain number, A807 is SYLOTI NAGRI LETTER KO.

People interested in studying Linear A signs will appreciate that more
informative label.  IIRC that first hex value has flags indicating the
number of following bytes clump as one Unicode codepoint.

--
vl