It would be nice to use a groovy: prefix on expressions
to replace ognl. One language feature in groovy that is
far superior to ognl as an expression language is safe
navigation to avoid NullPointerException. That would be
perfect for use with Tapestry.
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I looked into this earlier bt it seems the ognl: prefix is hardwired in
Tapestr 3.0. It appears that Tapestry 3.1 will make the expression
handling pluggable, expect to see this feature soon after 3.1 is released.
Mike Hnederson