103.3

[Matthew Flatt <mflatt@cs.utah.edu>]

In the CVS repository, the exp-tagged MzScheme and MrEd code is now
version 103.3.

The main reason for this release:

 * Windows: fixed refresh bug (Win2k-specific?) exposed by
   103.2 threading changes.

Other changes in 103.3:

 * Windows: fixed editor scrolling so that it updates the text while
   a user drags the scrollbar.

 * MzScheme2k --- the experimental, precisely collected variant of
   MzScheme --- compiles and runs for Windows. But it hasn't been
   tested much yet, the build process is clumsy, and MrEd2k doesn't yet
   work.

   To compile MzScheme2k for Windows, first build and install MzScheme.
   The MSVC tools must be in your path. Then cd to
   plt/src/mzscheme/gc2, and run mzscheme -r winmake.ss. The binary
   will be mz2k.exe in the current directory.

 * MrEd2k: fixed GC bug for Sparcs (memory alignment problem).

Matthew