(put)  Support PARENT and PATH substitutions.
Make various formatting changes related to the get, index,
and put commands.
Support the put_delete and put_dir format files.
Add support for directory and file creation and deletion.
(_put) Untaint the file name.
The majordomo user's e-mail address should not be the server address.
Include the "post_block" access variable in the list of variables
that determine the "any" access variable.
(list_access_check)  Remove a definition test, which was preventing
  reply messages from being sent.
(post)  Do not send an ack if the reply is NONE.
  Thanks to SRE.
Support a "who_none" format file,
  which indicates that no addresses were found.
  Thanks to SRE.
Qmail requires mj_enqueue and mj_email to be setuid in case a domain is
managed by some user other than the majordomo user.
Thanks to Peter Ajamian.
Documentation correction.
Add two error files for file operation failures.
(index)  Add missing declaration.
Replace various hard-coded messages for file operations.
Change the real uid and gid to match their effective counterparts.
Thanks to James Grinter.
(parse_attachment_filters)  Support the "keep" action, which allows
  multipart types to pass without having their subparts filtered.
(_post)  Use the original message body instead of the decoded and
  re-encoded body if no alterations were made to the body.
  Thanks to Steve Kennedy.
(_r_strip_body)  Alter the headers of a cleaned or formatted
  body part as little as possible.
Remove dated items.