bug#46240: Sorting order of read-char-by-name

[Eli Zaretskii]

> From: Lars Ingebrigtsen <larsi@gnus.org>
> Cc: Eli Zaretskii <eliz@gnu.org>,  46240@debbugs.gnu.org
> Date: Wed, 03 Feb 2021 19:02:39 +0100
> 
> EMOJI
> =====
> 🦸     SUPERHERO
> 🦹     SUPERVILLAIN
> MATH
> ====
> ⁸     SUPERSCRIPT DIGIT EIGHT
> ⁴     SUPERSCRIPT DIGIT FOUR 
> ¹     SUPERSCRIPT DIGIT ONE 

Won't this produce multiple sections with identical headings,
scattered all over the list?  And if so, would that be helpful?

> (I don't know whether we actually have the data to do a display like
> this, though.)

We have the names of blocks in Blocks.txt, and could produce a
char-table out of it.