module Stog_filter:sig
..end
val filter_of_string : string -> Stog_filter_types.t
val filter_docs : 'a ->
'a Xtmpl.env ->
Stog_filter_types.t ->
(Stog_types.doc_id * Stog_types.doc) list ->
'a * (Stog_types.doc_id * Stog_types.doc) list