against competing signing processes. Allow optional headers; see
$use_or_add. Added simple comments about why particular headers are
signed. Made error messages a tad more helpful for situations where it is
hard to know what message was trying to be signed (such as via an "at"
job). Set $action, $group, $moderated to "" to prevent unused variable
warnings in the event a Control header can't be parsed. Moved assignment
of $pgpend out of loop.
error messages (for help w/batch processing). Disabled moderator address
checking. Adjusted newsgroups line (ie, tabbing fixed), now correctly
substituted into control message.
version of the README file to X-Info. Check that a group was given to
rmgroup. Allow two spaces after the colon for submission and contact
addresses for moderated groups.