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- To: BUG-LISPM at MIT-AI, BUG-ZWEI at MIT-AI
- Subject: defvar
- From: Daniel Brotsky <dcb at MIT-AI>
- Date: Fri ,12 Feb 82 15:51:00 EDT
- Cc: JERRYB at MIT-AI
In System 78.57, ZMail 38.5, Experimental Tester 20.0, Reasoning Utility Package 1.1, Experimental Plan Calculus 1.2, microcode 848, 60.45 Hz, on Lisp Machine Four:
Doing Evaluate Defun [Control-Top-E] (or Compile Defun [Control-Greek-E], same
result both times) of
(defvar foo 3)
with foo set to 0 resulted in a value of 3 and foo being set to 3.
This disagreed with doing the same thing in a breakpoint Zmacs, which returned
nil and left foo set to 0.
This error did not occur with Compile Buffer, nor when the QFASL was loaded
after a Compile File of the buffer. (The source lives in DCB;DEFTST and the
qfasl in DCB;DEFTST QFASL).
P.S. JerryB also had this problem while running System 78.57 on cadr9.