bug#42366: UTF8 QR codes vs. emacs

[Eli Zaretskii]

> From: Lars Ingebrigtsen <larsi@gnus.org>
> Cc: jidanni@jidanni.org,  42366@debbugs.gnu.org
> Date: Wed, 05 Aug 2020 16:22:33 +0200
> 
> > Can you send the file itself?
> 
> There's no file -- it's just the output from the qrencode command.

Can you redirect the output to a file?

> And besides, a QR Code isn't supposed to have horizontal lines like
> that.

As Andreas says, this depends on the font.  Some fonts leave a pixel
between this line and the next when they design these "characters".

> > Hmm... shell-mode?  Now I'm beginning to think I don't really
> > understand what are the steps to reproduce the problem, and what is
> > their meaning (jidanni needs to learn how to report bugs clearly).
> > Would you please describe the steps, starting from "emacs -Q"?
> 
> There's not much to it: Run the qrencode program:
> 
> $ qrencode -t UTF8 x

So you are saying that your problem with \uNNNN was because you used
an incorrect locale?  IOW, that there's no bug here at all?