+- Temporary files are stored in the first non-null location of
+ {MHTMPDIR environment variable, TMPDIR environment variable, MH Path}.
+ They are no longer be stored in the location specified by the TMP
+ environment variable.
+- Instead of printing PostScript attachments, by default, from mhshow,
+ try to find a suitable viewer.
+- Support for parallel display of multipart/parallel content has been
+ removed from mhshow; all multipart content will be displayed in
+ serial.
+- Support for -pause/-nopause switches on mhshow has been removed.