Log Message:
Update to 1.2. From the changelog:

* Caution! The tools mdeliver and mexport were buggy in handling and
  generation of trailing empty lines in MBOX-RD.  Do not import
  mbox files generated by mexport >=1.2 with mdeliver <1.2 if you
  require verbatim message delivery.
* mshow: add "-A all" to render all attachments
* msed: match header names case insensitively
* mless: prefer setting LESSKEYIN and using .mlesskey
* mcom: take Delivered-To into account for choosing From address
* mcom: allow tilde prefixed path for profile's outbox setting
* mcom: detect and report mmime errors
* add contrib/mmailto, a handler for mailto: links
* Many bug fixes.