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[no subject]

(setq a '(q w e r))
(setq b 'cons)
(displace a b)

then the value of a is this list "(#73100 subr #13302)".  Even better I can use DISPLACE
to change the printname, valuecell, propertylist etc. of a symbol!  If we really
want this thing to help macro hackers, then the thing should check for
an atomic second arg and replace it with "(progn <thing>)". And in any case shouldn't
the first arg be checked for atomicness?