Yes, it works, but it is not guarenteed to be the value of the request-scoped attribute as required by the question. If there is an attribute with the same name "param" in the page-scope it will be assigned to p instead of the request-scoped variable.
LOOK! OVER THERE! (yoink) your tiny ad is now my tiny ad.
Devious Experiments for a Truly Passive Greenhouse!