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'WRITEABLEP'
- To: RWK at MIT-MC
- Subject: 'WRITEABLEP'
- From: JONL at MIT-MC (Jon L White)
- Date: Thu, 8 Jan 81 17:58:00 GMT
- Cc: (BUG LISP) at MIT-MC
- Original-date: 8 JAN 1981 1258-EST
You may have forgotten that a page which is PUREP, may or may not
be WRITEABLEP. The correction to DEFMAX was to make this test,
doing the PURCOPY and displace when it is writeable, and not
doing any displace'ing when it isn't (i.e., doing no
cache'ing).