14.16.3 Other Changes
-  Windows 2000 is no longer supported, for it is no longer supported by Microsoft.
 -  The limitations on “temporary” and “permanent” variables
for compiled clauses have been dropped.  There is no size limit on
compiled clauses.
 -  PO files and saved-states are now much smaller than in earlier releases.
 -  The new features required changes to the PO file format.  PO files and
saved-states created by previous versions are not compatible with this
version, and vice versa.
 -  The 
spld tool now defaults to --moveable on Linux,
Mac OS X and Solaris. This can be turned off with the new option
--no-moveable.
 
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