This simple exercise in buffering speeds up writing of the category file
by 6x for me, while leaving everything else unchanged.  This is a big
help if you have a large mail file!

Also two other minor changes.

Mike
-------------- next part --------------
A non-text attachment was scrubbed...
Name: CelesteCatSpeed-mdr.1.cs
Type: application/octet-stream
Size: 2797 bytes
Desc: not available
Url : http://lists.squeakfoundation.org/pipermail/squeak-dev/attachments/20010625/945e23fc/CelesteCatSpeed-mdr.1.obj