[tdwg-tapir] BNF Grammar for Filter

Hello,

Just a short question. Does the BNF Grammar that is listed on http://ww3.bgbm.org/protocolwiki/GetInvokedOperations can be considered the final grammar for Filter expressions? And also, besides the XML Schema, are you going to put a grammar like this one for the complete Tapir protocol?

Thanks a lot,

Jose Cuadra