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Date:      Sun, 18 Dec 2022 01:30:05 +0000
From:      bugzilla-noreply@freebsd.org
To:        bugs@FreeBSD.org
Subject:   [Bug 268421] ATAN2(3) manpage contains UTF8 character codes
Message-ID:  <bug-268421-227-LoWYBy8eld@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-268421-227@https.bugs.freebsd.org/bugzilla/>
References:  <bug-268421-227@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D268421

--- Comment #3 from Yuri <yuri@aetern.org> ---
Those are mathematical characters documented in mandoc_char(7).  The one you
are talking about seems to be:

\(**             =E2=88=97           asterisk

As the page describes mathematical function, it seems to be acceptable?  Th=
ere
are other non-standard characters used as well.  Other than getting fonts t=
hat
have the glyphs (I'm using e.g. iosevka, and everything looks fine), you can
force ASCII output by running it as `LC_ALL=3DC man atan2`; mandoc relies on
LC_CTYPE to decide if it should output UTF-8 or do the best-effort substitu=
tion
of those characters in ASCII output.

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