Full_Name: Version: OS: URL: Submission from: (NULL) (79.227.182.177) Feature request: http://tools.ietf.org/html/rfc2696#section-3 In the control returned to the client, the size MAY be set to the server's estimate of the total number of entries in the entire result set. So a client could evaluate this size value whether it's greater than 0 and take this as indication how many search results would be returned (and e.g. display it to the user). I'm asking myself whether slapo-noopsrch would be the right place for handling this. The no-op search control returns two distinct values for search results and search continuations though.