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Remaining things to remove mostly per the 80/20 rule hga@xxxxxx (11 Aug 2019 14:35 UTC)
Re: Remaining things to remove mostly per the 80/20 rule Lassi Kortela (11 Aug 2019 15:10 UTC)
Re: Remaining things to remove mostly per the 80/20 rule Lassi Kortela (11 Aug 2019 15:15 UTC)
gecos parser implementation Lassi Kortela (11 Aug 2019 17:30 UTC)
Re: gecos parser implementation John Cowan (12 Aug 2019 04:06 UTC)
Re: Remaining things to remove mostly per the 80/20 rule Lassi Kortela (12 Aug 2019 12:02 UTC)
Re: Remaining things to remove mostly per the 80/20 rule Lassi Kortela (12 Aug 2019 11:52 UTC)
Re: Remaining things to remove mostly per the 80/20 rule Lassi Kortela (12 Aug 2019 12:20 UTC)
Re: Remaining things to remove mostly per the 80/20 rule Lassi Kortela (12 Aug 2019 13:44 UTC)
Timezone files Lassi Kortela (12 Aug 2019 14:00 UTC)
GECOS field parsing Lassi Kortela (17 Aug 2019 08:51 UTC)
Re: GECOS field parsing Lassi Kortela (17 Aug 2019 09:11 UTC)
Re: GECOS field parsing Lassi Kortela (17 Aug 2019 09:16 UTC)
Re: GECOS field parsing Lassi Kortela (17 Aug 2019 09:35 UTC)
Re: GECOS field parsing Lassi Kortela (17 Aug 2019 09:55 UTC)
Re: Remaining things to remove mostly per the 80/20 rule Lassi Kortela (12 Aug 2019 12:39 UTC)

Re: GECOS field parsing Lassi Kortela 17 Aug 2019 09:35 UTC

> Here's the finger client. The ampersand expansion is done client-side
> instead of server-side for some reason:
> <https://github.com/freebsd/freebsd/blob/1d6e4247415d264485ee94b59fdbc12e0c566fd0/usr.bin/finger/util.c#L67>

> it doesn't seem to matter whether we expand ampersands in those fields

Bingo. Same FreeBSD finger client:
<https://github.com/freebsd/freebsd/blob/1d6e4247415d264485ee94b59fdbc12e0c566fd0/usr.bin/finger/util.c#L343>

OpenBSD finger client:
<https://github.com/openbsd/src/blob/515e489c3d599b9cfcdf9cf6842ac49f92e154d6/usr.bin/finger/util.c#L101>

It's the userinfo() function. Ampersands are only expanded in the first
subfield.

And the first letter of the username is capitalized (toupper()) but the
remaining ones are not.

Sendmail has a compile-time option to convert fullnames from Latin1. I
suppose we can assume UTF-8 nowadays (knock on wood).