$ rpm -qf /usr/share/man/man8/apt-repo.8.gz apt-repo-1.2.0-alt1 $ man apt-repo | tail mdoc warning: Empty input line #194 apt-repo add 39115 SEE ALSO sources.list(5), apt-cache(8), apt-get(8) AUTHORS Andrey Cherepanov cas@altlinux.org November 29, 2015 $ I had a look into the source: .Os Linux .Dd "November 06, 2013" .ds volume-operating-system Linux .Dt apt\-repo 8 .\" .Sh NAME .Nm apt\-repo .Nd Manipulate APT repository list .\" .Sh SYNOPSIS Another example of the code from apt-config(8) (which specifies the date differently): .TH "APT-CONFIG" "8" "12 March 2001" "" "" .SH NAME apt-config \- APT Configuration Query program .SH SYNOPSIS And for this page, man shows the date from the source: $ man apt-config | tail BUGS See the APT bug page <URL:http://bugs.debian.org/src:apt>. If you wish to report a bug in APT, please see /usr/share/doc/debian/bug-reporting.txt or the reportbug(1) command. AUTHOR APT was written by the APT team <apt@packages.debian.org>. 12 March 2001 APT-CONFIG(8) I do not know much about this format, so have no idea what could be a correction.
However, in the source of the manpage, /usr/share/man/man8/idmapd.8.gz (from nfs-clients-1.2.8-alt1) has a similar expression for the date: .Dd February 3, 2003 .Dt RPC.IDMAPD 8 .Os .Sh NAME .Nm rpc.idmapd .Nd NFSv4 ID <-> Name Mapper .Sh SYNOPSIS and the date is printed correctly (unlike in the case of apt-repo): $ man idmapd | tail mdoc warning: Empty input line #98 /etc/idmapd.conf SEE ALSO idmapd.conf(5) AUTHORS The rpc.idmapd software has been developed by Marius Aamodt Eriksen ⟨marius@citi.umich.edu⟩. BSD February 3, 2003 BSD
The fix was actually a simple one: ---------------------------------- apt-repo.8 ---------------------------------- index 39fb4af..16f637f 100644 @@ -8,7 +8,7 @@ .\" version 3 or later. .\" .Os Linux -.Dd "November 06, 2013" +.Dd November 06, 2013 .ds volume-operating-system Linux .Dt apt\-repo 8 .\" Committed in apt-repo-1.2.1-alt1