OOP load update

[John W. Eaton]

On  6-May-2009, Robert T. Short wrote:

| I lied.  I do remember this patch, and used it until you posted the 
| "real" patch.

What do you mean by "real" patch?

The one I checked in:

  http://hg.savannah.gnu.org/hgweb/octave/rev/d8f9588c6ba1

is not the same as the one that appears in the attachment of the
message:

  https://www-old.cae.wisc.edu/pipermail/octave-maintainers/2009-April/012050.html

an earlier version of which appears here:

  https://www-old.cae.wisc.edu/pipermail/octave-maintainers/2009-April/012019.html

The patches that I posted as attachments are for loading objects from
files.  That's why I thought you used them as the basis for your
recent patch.

The patch that I checked in just added the exemplar infrastructure,
and used it in the class constructor to ensure that all objects of a
given class have the same layout as the first one that is constructed.

jwe