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ERR errs out badly ...
- To: (BUG LISP) at MIT-MC
- Subject: ERR errs out badly ...
- From: KMP at MIT-MC (Kent M. Pitman)
- Date: Sat, 19 Jul 80 11:55:00 GMT
- Original-date: 19 JUL 1980 0755-EDT
(ERRSET (PROGN (ERRSET (ERR ) NIL) T) NIL) ; => (T)
(ERRSET (PROGN (ERRSET (ERR (ERR) T ) NIL) T) NIL) ; => (T)
(ERRSET (PROGN (ERRSET (ERR (ERR) ) NIL) T) NIL) ; => (T)
(ERRSET (PROGN (ERRSET (ERR (ERR) NIL) NIL) T) NIL) ; loses with:
PURPG; ERR1+3>>HRRES -2(P) ERR3A+3/ EXCH T,-14(P)
Aren't (ERR (ERR)) and (ERR (ERR) NIL) supposed to be the same? The old
lisp manual documents them as being the same. Even just doing (ERR (ERR))
and (ERR (ERR) NIL) at toplevel differ -- (ERR (ERR)) gives a *RSET- type
breakpoint where (ERR (ERR) NIL) does not.
I find no documentation in .INFO.;LISP NEWS about any changes to the ERR
function.
-kmp