Edit Definition of copy-array-portion

[Mark J. Dulcey <Dulcey at MIT-AI>]

    In Experimental Remote-File 10.0, Experimental LMFILE-Remote 17.0,
    Experimental MIT-Specific 9.0, Experimental System 86.7,
    Experimental ZMail 45.0, microcode 123, Saver, on Lisp Machine Seven:
    
    Edit Definition of copy-array-portion in Zwei causes regular PDL overflow.
    (This doesn't happen with other functions, so I'm not sure it's a Zwei bug.)

This is apparently another problem with M-. of a DTP-U-ENTRY.  I DO think this
is a problem -- as it is, you don't know that that's the source of the problem
unless you inspect the function to find out.  (Not everybody knows what's in
microcode and what's not!)