Subject: date +%+4C is unimplemented, contrary to POSIX
From: Eric Blake <[email-masked]>
To: [email-masked]
Date: Thu, 21 Feb 2019 11:10:06 -0600
List-Id: <debbugs-submit.debbugs.gnu.org>

POSIX requires the '+' flag in %C to output padding with leading 0, and
additionally to add a +/- indicator if the minimum field width is larger
than 2 bytes.  Thus:

date -d 0001-01-01 +.%+4C.

should produce ".+000.", but currently it produces ".%+4C." because the
+ flag is unimplemented.

See also http://austingroupbugs.net/view.php?id=1184

-- 
Eric Blake, Principal Software Engineer
Red Hat, Inc.           +1-919-301-3226
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