Canonicalize arguments for isHoliday(), which will be sent to Time.mktime().

Default mailbracket should be taken from @opt.

Not using proc.call for the sake of displaying document title.

`limitsender' option to prohibit anonymous user to send to ML

Do not hover mail addresses of users for non-administrator list.

Fix the argument for FileUtils.mkdir_p()

Display invite-only group.

Return 1 if /seq file is not there.

Gather the current group-member at the beginning of the user list.

Show the number of group member in groupman().

Introduce invitation-only mode for groups.

Call srand() without parameter.

PWRESET resets password.

Skip creation of user which is already registered.

Abolish errors-to header.

ML's return-path changed from maintainer to group owners.

umask of ML/spool changed.

Adjust umask. Max width of email entry, enlarged.

Multiple email addresses can be acceptable

Another ml-address can be set. ...

Refine header operation.

Add fromhack mode

ML: digited subject, ML-specific email addresses, spooling

untaint scheduledir()

Sort user list for view.

Some ruby-1.9 workarounds and enhancement to logging and messaging.

"Re: "

Hack subject tag.

Add `-ML' to default subject tag.

Prepend bracket tag to subject.

First implementation of ML feature.