> So there are a lot of reasons why constraints are useful. Thanks for such a view. Thus I dare to point the possibility out to consider their application for mentioned function name lists (besides using SmPL disjunctions). Can coding style concerns be resolved in a more constructive way then? > But hiding information that could be apparent to the SmPL compiler > and could be used to improve the performance of the matching > process is not one of them. Will any software extensions become possible also in this area? Regards, Markus