+07Mar23=======================================================================
+1. Fix odd (and old) regression dx command (line ending 59+++) '++' being the
+ culprit.
06Mar23=======================================================================
1. Fix filter error reporting, including incrementing concurrent error count
if there are actually any detected parse errors.
2. Fix warnings on difft.
3. Add the origin of any incoming SP if it is emailed to the recipient.
+4. Oops I accidently restored one path of the node being disconnected that I
+ fixed below (because of changes to filtering).
04Mar23=======================================================================
1. Fixed regression caused by too many command errors in (startup) script
files. This is caused by much stricter checking of commands entered both