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Re: [Groff] \(bu in groff_char.7

From: Tadziu Hoffmann
Subject: Re: [Groff] \(bu in groff_char.7
Date: Wed, 17 Jun 2015 18:19:34 +0200
User-agent: Mutt/1.5.21 (2010-09-15)

> The man page says that \(bu has unicode U+2022, but nroff puts
> out U+00b7.  Is this a "bug" (... or did I once again got the
> documentation wrong ;-)?

  bash$ groff -Tutf8 | xxd
  0000000: c2b7 0a0a 0a0a 0a0a 0a0a 0a0a 0a0a 0a0a ................

Indeed.  I see this as a bug.
I find in /usr/share/groff/1.22.2/tmac/tty.tmac the following lines:

  .ie c\[pc] \
  .  tr \[bu]\[pc]
  .el \
  .  if c\[md] \
  .    tr \[bu]\[md]

If I remove them I get (correctly)

  bash$ groff -Tutf8 | xxd
  0000000: e280 a20a 0a0a 0a0a 0a0a 0a0a 0a0a 0a0a ................

I don't know why these lines are there.  Remapping the bullet
character if it doesn't exist might be legitimate, but in this
case it gets remapped on the condition that *another* character
exists, not that bullet *doesn't* exist.  That's wrong.

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