13.19 Changes Introduced in Version 4.2.3

Please note: Version 4.2.2 was never made generally available, so if you are upgrading from 4.2.1, see also 4.2.2 Changes. In particular, version 4.2.2 introduced support for 64-bit Windows.

Version 4.2.3 introduces support for Mac OS X 10.8 in addition to some new features and bug fixes. See 4.2.0 Changes for changes introduced in SICStus Prolog 4.2.

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