Re: Why does Groff decompose Unicode glyphs in intermediate output?

Sun, 10 Nov 2024 08:29:14 -0800 

[self-follow-up]

At 2024-11-10T03:46:19-0600, G. Branden Robinson wrote:
> $ groff=~/groff-HEAD/bin/groff; $groff --version | head -n 1; \
>   echo -n 'й' | ~/groff-HEAD/bin/groff -Kutf8 -ww -Z -Tutf8 | grep '^C'
> GNU groff version 1.23.0.2360-cf04f
> Cu0438_0306
> 
> $ groff=~/groff-stable/bin/groff; $groff --version | head -n 1; \
>   echo -n 'й' | ~/groff-HEAD/bin/groff -Kutf8 -ww -Z -Tutf8 | grep '^C'
> GNU groff version 1.23.0
> Cu0438_0306
[snip]

I have to give myself a Derp Award for this one.  Of course it did not
prove what I meant it to, because I forgot to use the variable when
calling groff to do actual formatting.

Fortunately for me, my assertion about groff behavior is not overturned.

Here's a better demonstration.

$ for d in ~/groff-HEAD/bin ~/groff-stable/bin /usr/bin ~/groff-1.22.3/bin; \
  do $d/groff --version | head -n 1; \
     printf 'й\n' | $d/groff -Kutf8 -ww -Z -Tutf8 | grep '^C'; \
     echo; \
  done
GNU groff version 1.23.0.2380-fed33
Cu0438_0306

GNU groff version 1.23.0
Cu0438_0306

GNU groff version 1.22.4
Cu0438_0306

GNU groff version 1.22.3
Cu0438_0306

Regards,
Branden

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