bug#44155: Print integers as characters

[Eli Zaretskii]

> From: Juri Linkov <juri@linkov.net>
> Cc: rgm@gnu.org,  44155@debbugs.gnu.org,  schwab@linux-m68k.org
> Date: Sun, 01 Nov 2020 20:39:48 +0200
> 
> >>    if (EQ (Vinteger_output_format, Qt) && CHARACTERP (obj)
> >> -      && (c = XFIXNUM (obj)))
> >> +      && (c = XFIXNUM (obj)) && ! CHAR_BYTE8_P (c))
> >
> > If a test fails, it is better to fix the test and not make the code
> > less powerful, don't you agree?
> 
> This means sweeping the problems under the carpet.

Which problem?

> >   (decode-char 'eight-bit ?\200)
> >
> > Can't this be used in the test?
> 
> Using this code in tests means that the users should use the same code
> in their programs.

Why would they need to do that?  The test needs it because it wants to
verify the result, but "normal" programs don't need to read back the
values they printed.

> Thus 'print' should print '(33 4194176) as such ugly code:
> `(?! ,(decode-char 'eight-bit ?\200))

I don't see why.  ?\200 and 4194176 are two forms of the same
character.