1+ input.e /^ prefix "+": like Current$/;" f class:DEPRECATED_SYNTAX_TEST 2// input.e /^ infix "\/" as infix "\/\/"$/;" f class:DEPRECATED_SYNTAX_TEST 3< input.e /^ infix "<" (other: like Current): BOOLEAN$/;" f class:DEPRECATED_SYNTAX_TEST 4DEPRECATED_SYNTAX_TEST input.e /^ DEPRECATED_SYNTAX_TEST$/;" c 5feature1 input.e /^ feature1 is$/;" f class:DEPRECATED_SYNTAX_TEST 6feature2 input.e /^ feature2: INTEGER is 42$/;" f class:DEPRECATED_SYNTAX_TEST 7make input.e /^ make is$/;" f class:DEPRECATED_SYNTAX_TEST 8