Jeff Hostetler <git@xxxxxxxxxxxxxxxxx> writes: > In the RFC version, there was discussion [2] of the wire format > and the need to be backwards compatible with existing servers and > so use the "combine:" syntax so that we only have a single filter > line on the wire. Would it be better to have compliant servers > advertise a "filters" (plural) capability in addition to the > existing "filter" (singular) capability? Then the client would > know that it could send a series of filter lines using the existing > syntax. Likewise, if the "filters" capability was omitted, the > client could error out without the extra round-trip. All good ideas.