Changes in SORTOC 5R3C

 - Upgrade to STM$PKG Rev. 11 to support full range of MODSWTIME$ timestamps.
 - Show date format 2 (DF2) as YYYY-MMDD/HHMMSS instead of YYYY/MMDD-HHMMSS for
   better readability. If C option in single file mode displays YY-MMDD/HHMMSS.
 - Provide a way to apply hour offsets to the element timestamps in each file,
   enabling comparison of files in Multi-File mode whose timestamps might be
   one or more time zones apart.

 =======================================
 Changes in SORTOC 5R3B

 - Upgrade to FUSION 4R2A & use new 'FCR' parameter to avoid clashing
   backgrounds in case terminal's default background is different from
   program's.
 - Add 'Q' (Quit) as possible reply to entry point/proc listing pause message.

 =======================================
 Changes in SORTOC 5R3A

 - Upgrade to STM$PKG Rev. 7: Recognize MODSWTIME as replacement for reverse
   TDATE$ in program files.

 =======================================
 Changes in SORTOC 5R3

 - Show line of proc names in high intensity instead of low if there are both
   deleted & undeleted items.
 - Add ability to launch timed, non-FUSION display of file with pauses between
   screens, using NF selector.
 - Put FUSION buffer in separate bank to allow more element & table space.
 - Eliminate some date subroutines and manage all timestamps with STM$PKG.
 - Add support for the modified SWTIME date format introduced in CP 15.0.

 - - - - - - - - - - - - - - - - - - - -
 Changes in UNDELETE 5R3

 - Use terminal's row count for display instead of default 24.
 - Show total elt count before listing elements.
 - Fix bug: @UNDELETE with timestamp or sequence # was not working.