(:*******************************************************:)
(: Test: K-FilterExpr-35                                 :)
(: Written by: Frans Englich                             :)
(: Date: 2006-10-05T18:29:36+02:00                       :)
(: Purpose: Source expression of a predicate doesn't have to use paranteses. :)
(:*******************************************************:)
1[true()] eq 1