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Announcing Jess 7.0b4

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We're pleased to announce the availability of the latest release of
Jess, the rule engine for the Java platform, at the usual location:

This release adds a lot of polish to Jess 7 as we approach the final
version. There are a number of bug fixes, enhanced features for the
JessDE debugger, and a new simplified API for embedding Jess in Java

As usual, comments and questions are welcome on the mailing list at or directly to me at

From the changelog:

Fix slot-specific behavior for "null" property names
in change events (thanks Shan Ming Woo). Fix SAX parse
error for facts with no slots (thanks Wang Dong.)
Fixed definstance name resolution across modules
(Woo). New "map", "filter", and "list" functions for
functional programming. Run configurations are reused
in Eclipse. Can pass command-line arguments from
Eclipse Run dialog. Defglobals show up in JessDE
debugger. Spaces in path names won't confuse jess.bat
(thanks Eric Schubert.) Fix deadlock in debugger when
stepping over (read) and (readline) calls (thanks Jim
Goodwin.) "Start suspended" checkbox in debugger. Can
specify jess.Main alternate in launch
configuration. Tiny font in manual navbar fixed. New
URL for Jikes in manual. New "quick start" section in
manual, and a new simplified engine API as described
therein: mark(), resetToMark(), add(), addAll(),
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