dbcut (13!:19) seems to go up one stack level and immediately reexecute
the line that failed. Huh?
Unless you have a stop on that line, you will rerun it and it will fail
again. If you do have a stop on the line, the reexecution is nugatory.
Can anyone suggest a reason why 'cut back' should not just cut the stack
back and remain in suspension?
[It is possible that I have read the code wrong.]
Henry Rich
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