${name}, PROVIDE, and rc.conf var prefix.
- Distinguish flags from options when telling why -foo
doesn't belong in $command_args. ${name}_flags can
contain both dashed options and arguments, so saying
"flags" when I mean options was confusing.
Suggested by: dougb
- Be more concise and clear on the requirement of /bin/sh;
the former details weren't really interesting.
- Link to the rc.d section of Porter's Handbook.
- Mention /etc/network.subr.
Suggested by: dougb