we have ntpctl now and ntpd doesn't need redundant/obsolete features.
Pointed out by naddy@, with input from zhuk@ (SIGINFO doesn't need SIG_IGN)
OK deraadt@

as noticed by Arto Jonsson <ajonsson at kapsi dot fi>.
While here, give the full author names, which costs no additional work
because i had to cross-check against the original documents anyway.

diff from Mike Miller <mmiller mgm51 com> (many thanks!)
OK phessler@, henning@, todd@

From: Jan Stary

references into a STANDARDS section;

pointed out by Frank Brodbeck <fab at guug.de>, actual change with & ok jmc

stays;
ok henning

the forground until we receive a reply or hit the 15 second timeout.
with theo, evolved out of sth completely different

switched a while back.
ok miod, kettenis

ok henning@ jmc@

event. so don't use the word "before" .. and leave the mention ambigious
ok henning

offset. The 180s limit doesn't help very much these days.
ok otto@ mbalmer@

based on an initial diff from Simon Kuhnle,
and input from Joerg Sonnenberger;
ok otto

happens when a SIGINFO is received, or when the majority of peers or
sensors is bad. The latter with a maximum of once per 24 hour.
ok henning@ ckuethe@ mbalmer@

the configuration file.
"yes please, ok" henning@

priority.
ok gwk, mbalmer, weingart
"explicit non-ok from" henning

do it's job it would have to choose between two cases:
1. either it would take a very long time to get the correct adjustment, thus,
if you are not currently on the net right, you wait a long time (or must
type ^C, which is ridiculous)
2. ntpd could be modified to "abort early", but then would not meet the
promise made by -s in the manual page (note: it does not say that it
"tries")
therefore, -s and -S must become user choices.  Sorry.  This same choice is
made in lots of other places

once at startup. ntpd delays daemonizing until it has done the intial
time setting (or ran into the timeout) in this mode to make sure stuff started
later in rc is not subject to time jumps.
this eleminates the need to run rdate -n beforehands.
with some input from & ok ryan and bob, march music from mickey

mostly from Andreas Kahari (PR #3846);