I have created issue https://redmine.blackboxframework.org/issues/172 for adding BOOLEAN params to Dialog.Call.
In addition, this issue fixes a small bug in StdInterpreter by adding a check for correct syntax before calling a procedure.
See the diffs at https://redmine.blackboxframework.org/projects/blackbox/repository/diff?utf8=%E2%9C%93&rev=1bb85a41dcdb1a4025086f092b388fd2c71e8ebf&rev_to=7ee4ded8c62f8384496cb27c274658982824bd7b.
- Josef