bug#24902: 25.1; C-x = for Unicode

[Eli Zaretskii]

> From: Mattias Engdegård <mattiase@acm.org>
> Date: Tue, 25 Jan 2022 19:00:21 +0100
> Cc: Lars Ingebrigtsen <larsi@gnus.org>,
>  Ulrich Windl <Ulrich.Windl@rz.uni-regensburg.de>, 24902@debbugs.gnu.org
> 
> U+003B SEMICOLON, pt=72/145 col=0

This is supposed to be for newcomers?  What is "pt"? what is "col"?
what does N/M mean?  The only thing that doesn't need explanation is
the "," part.