In dhclient.conf.5 at two places, text is (unnecessarily IMHO) indented in a way mandoc -Tlint complains about.
Jan /usr/src/sbin/dhclient/dhclient.conf.5:299:6: WARNING: tab in non-literal context /usr/src/sbin/dhclient/dhclient.conf.5:398:6: WARNING: tab in non-literal context Index: dhclient.conf.5 =================================================================== RCS file: /cvs/src/sbin/dhclient/dhclient.conf.5,v retrieving revision 1.26 diff -u -p -r1.26 dhclient.conf.5 --- dhclient.conf.5 27 Nov 2012 15:51:48 -0000 1.26 +++ dhclient.conf.5 22 Jan 2013 14:34:09 -0000 @@ -296,7 +296,7 @@ the behaviour will be unpredictable. The lease declaration: .Pp .Xo -.Ic \ \& lease No { Ar lease-declaration +.Ic lease No { Ar lease-declaration .Oo Ar ... lease-declaration Oc } .Xc .Pp @@ -395,7 +395,7 @@ DHCP client. .Pp Dates are specified as follows: .Pp -.Ar \ \&<weekday> +.Ar <weekday> .Sm off .Ar <year> No / Ar <month> No / Ar <day> .Ar <hour> : <minute> : <second>