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- To: GSB at MIT-MC
- From: JONL at MIT-MC (Jon L White)
- Date: Wed, 12 Jul 78 15:29:00 GMT
- Cc: (BUG LISP) at MIT-MC, HIC at MIT-MC
- Original-date: 12 JUL 1978 1129-EDT
Well, you are right about ERR using ERUNDO also, but there is this
weird behaviour that I hadn't noticed before:
If (ERR NIL) breaks up an errset, then the ERRSET handler is not
called at all, whereas if (ERR <non-NIL frob>) breaks up the
ERRSET, then the handler is called.
So I will take the cheap and dirty solution - cause the COMPLR to output
the extra instruction "(MOVEI 1 'T)", but I'm still not sure that we
have the semantics of all this worked out yet.