1) advertise *.local and next_part near the top of the three scripts
2) daily: mention smtpd(8) mailq behaviour (like for sendmail, postfix, exim)
3) weekly: drop a comment trivially rehashing the next two lines of code
documenting next_part in the scripts was suggested by jmc@
ok sthen@ okan@ halex@; "i won't object" ajacoutot@

rely on the PATH set up in the root crontab(5), just like in monthly(8)
suggested by ajacoutot@; "i like this" okan@; feedback jmc@ sthen@;
"absolutely" deraadt@

in order not to annoy parser scripts and their owners (like henning@)

add the same infrastructure to daily; silencing daily needs another step
discussed with ajacoutot@ okan@ todd@ sthen@ deraadt@ jmc@
"immediately commit" deraadt@ (without seeing the final diff)

environment so that it matches the ROOTBACKUP and CHECKFILESYSTEMS way
of doing things
- make the sort command use "-k" instead of the deprecated "+" option
(idea from mk@)
- rotate /var/log/wtmp every week just after weekly ac(8) completes
ok mk@

(output logs are still umask 077)
"i think this is right" deraadt@

ok millert@

newsyslog truncates wtmp on a weekly basis; note that the ac stuff
remains commented out as before;
spotted by andreas bihlmaier;
ok deraadt@

millert@ ok

needed and we don't ship it anyway; millert@ ok.

database owned by non-root at any time.

as bin not nobody to avoid NFS problems.