man pages: add missing commas between subordinate and main clauses

jmc@ dislikes a comma before "then" in a conditional, so leave those
untouched.

ok jmc@

"commandline" -> "command line", since there are so few examples
of the former in the pages, so many of the latter, and in some of
these pages we had multiple spellings;

prompted by tj

Allow syslogc -n XX to display less than the whole file, and -n XX -f to
display more/less than the default of 10. ok mpf@ jmc@

sync synopsis and usage; documentation tweaks.

ok jmc@

convert to new .Dd format;

- better wording for -f, as well as missing punctuation
- put CAVEATS in the right place

Support for continuous reading of syslog memory buffers.
Works like ``tail -f'' on a log file.
OK markus@, djm@

mention marking of logs that have wrapped their buffer, from stevesk@

.Xr syslogd(8) in SEE ALSO; ok djm@ jmc@.

support new syslogd control protocol and add new -o option to detect memory
buffer overflow; idea & ok markus@

NB if you are using memory buffered logging make sure you update both syslogd
and syslo

support new syslogd control protocol and add new -o option to detect memory
buffer overflow; idea & ok markus@

NB if you are using memory buffered logging make sure you update both syslogd
and syslogc _and_ restart syslogd because the protocol has changed

show more ...

syslogc - client to read memory buffered logs from syslogd;
manpage nits jmc@, fixes jose@; ok deraadt@