Path: utzoo!utgpu!jarvis.csri.toronto.edu!clyde.concordia.ca!uunet!mcsun!ukc!edcastle!aiai!jeff
From: jeff@aiai.ed.ac.uk (Jeff Dalton)
Newsgroups: comp.lang.lisp
Subject: Re: NCONC & Functions
Message-ID: <1513@skye.ed.ac.uk>
Date: 8 Jan 90 20:02:18 GMT
References: <8911292103.AA21810@kronos.ads.com> <373@ai.etl.army.mil>
Reply-To: jeff@aiai.UUCP (Jeff Dalton)
Organization: AIAI, University of Edinburgh, Scotland
Lines: 12

In article <373@ai.etl.army.mil> hoey@ai.etl.army.mil (Dan Hoey) writes:
>In article <8911292103.AA21810@kronos.ads.com> rar@KRONOS.ADS.COM (Bob Riemenschneider) writes:
>>One last note: a lot of Lispers think of this behavior [modifying quoted
>>structure in a function definition] as a feature rather than a bug.
>
>I used to think so, too, but the designers of Common Lisp have decided that
>modifying quoted structure is an error.

It's not just Common Lisp.  There were other Lisps (eg, Franz Lisp)
in which modifying quoting constants might go wrong in compiled code.

-- Jeff