Hi Sophie,
 the DNU is cached in the global lookup cache, but not used unless you
explicitly send a #doesNotUnderstand: message. (ie: 1 doesNotUnderstand:
....)
 I sent a fix to the list four years ago but it never went to the VM code.
The mail is:
http://lists.squeakfoundation.org/pipermail/squeak-dev/2004-December/086322.html

 Bye,
 Hernan.

On Sun, May 4, 2008 at 4:39 PM, itsme213 <itsme213 at hotmail.com> wrote:

> If
>    obj foobar.
> looksup #foobar and fails with DNU, will the next
>    obj foobar
> repeat the foobar, or is the DNU cached so no repeat lookup (unless cache
> invalidated)?
>
> Is it likely to be the same in e.g. Gemstone ST?
>
> Thanks - Sophie
>
>
>
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://lists.squeakfoundation.org/pipermail/squeak-dev/attachments/20080505/7017a5c4/attachment.htm