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- To: BUG-ZWEI at MIT-AI
- From: Daniel L. Weinreb <dlw at MIT-AI>
- Date: Thu ,2 Oct 80 14:43:00 EDT
- Sender: dlw at CADR8 at MIT-AI
In the version of ZWEI on system 44.3, with microcode 692, on LISP Machine Eight:
If you type Meta-X Ev In <Return>, edit-in-mini-buffer blows out trying
to RPLACD NIL, because *mini-buffer-command* is NIL. This appears to be
completely reproducible. I see that you are setting that variables if
it is non-NIL; I guess someone like the COMMAND-LOOP must be setting it
back to NIL or something.
It is a damned pain that control-Zing out of this error does not get you to
top level; it gets you to the minibuffer command loop, and it is not
at all apparent that that is what's happened. It is extremely confusing
even to me. In the old days I had a catch that only the top level command
loop caught, for just this sort of reason. This should be fixed.