Query: A -> Recoll query: (a:(wqf=11))
                                              Query: A B -> Recoll query: ((a:(wqf=11) AND b:(wqf=11)))
                                          Query: A AND B -> Recoll query: ((a:(wqf=11) AND b:(wqf=11)))
                                           Query: A OR B -> Recoll query: ((a:(wqf=11) OR b:(wqf=11)))
                                     Query: A OR B AND C -> Recoll query: (((a:(wqf=11) OR b:(wqf=11)) AND c:(wqf=11)))
                                     Query: A AND B OR C -> Recoll query: ((a:(wqf=11) AND (b:(wqf=11) OR c:(wqf=11))))
                           Query: (A AND B) OR (C AND D) -> Recoll query: (((a:(wqf=11) AND b:(wqf=11)) OR (c:(wqf=11) AND d:(wqf=11))))
                            Query: (A OR B) AND (C OR D) -> Recoll query: (((a:(wqf=11) OR b:(wqf=11)) AND (c:(wqf=11) OR d:(wqf=11))))
                                           Query: -the B -> Recoll query: (((<alldocuments> AND_NOT the:(wqf=11)) AND b:(wqf=11)))
                                             Query: A -B -> Recoll query: ((a:(wqf=11) AND (<alldocuments> AND_NOT b:(wqf=11))))
                                  Query: mime:text/plain -> Recoll query: ((<alldocuments> FILTER Ttext/plain))
                                         Query: size>10k -> Recoll query: ((<alldocuments> FILTER VALUE_GE 2 000000010000))
                                  Query: date:3000-01-01 -> Recoll query: ((<alldocuments> FILTER D30000101))
            Query: mime:text/plain A OR B mime:text/html -> Recoll query: (((a:(wqf=11) OR b:(wqf=11)) FILTER (Ttext/html OR Ttext/plain)))
           Query: mime:text/plain A AND B mime:text/html -> Recoll query: (((a:(wqf=11) AND b:(wqf=11)) FILTER (Ttext/html OR Ttext/plain)))
            Query: mime:text/plain mime:text/html (A B)  -> Recoll query: (((a:(wqf=11) AND b:(wqf=11)) FILTER (Ttext/html OR Ttext/plain)))
      Query: mime:text/plain OR mime:text/html OR (A B)  -> Recoll query: (((a:(wqf=11) AND b:(wqf=11)) FILTER (Ttext/html OR Ttext/plain)))
                                   Query: rclcat:media A -> Recoll query: ((a:(wqf=11) FILTER (Tapplication/ogg OR Tapplication/x-flac OR Taudio/mpeg OR Taudio/x-karaoke OR Timage/bmp OR Timage/gif OR Timage/jpeg OR Timage/png OR Timage/svg+xml OR Timage/tiff OR Timage/vnd.djvu OR Timage/x-icon OR Timage/x-xcf OR Timage/x-xpmi OR Tvideo/*)))
                    Query: rclcat:media rclcat:message A -> Recoll query: ((a:(wqf=11) FILTER (Tapplication/ogg OR Tapplication/x-flac OR Taudio/mpeg OR Taudio/x-karaoke OR Timage/bmp OR Timage/gif OR Timage/jpeg OR Timage/png OR Timage/svg+xml OR Timage/tiff OR Timage/vnd.djvu OR Timage/x-icon OR Timage/x-xcf OR Timage/x-xpmi OR Tmessage/rfc822 OR Ttext/x-gaim-log OR Ttext/x-mail OR Ttext/x-purple-html-log OR Ttext/x-purple-log OR Tvideo/*)))
                                       Query: A size>10k -> Recoll query: ((a:(wqf=11) FILTER VALUE_GE 2 000000010000))
                                       Query: size>10k A -> Recoll query: ((a:(wqf=11) FILTER VALUE_GE 2 000000010000))
                                Query: date:3000-01-01 A -> Recoll query: ((a:(wqf=11) FILTER D30000101))
                           Query: A OR B date:3000-01-01 -> Recoll query: (((a:(wqf=11) OR b:(wqf=11)) FILTER D30000101))
                       Query: A OR B AND date:3000-01-01 -> Recoll query: (((a:(wqf=11) OR b:(wqf=11)) FILTER D30000101))
                                        Query: title:A B -> Recoll query: ((Sa:(wqf=11) AND b:(wqf=11)))
                                       Query: title:A -B -> Recoll query: ((Sa:(wqf=11) AND (<alldocuments> AND_NOT b:(wqf=11))))
                                       Query: A -title:B -> Recoll query: ((a:(wqf=11) AND (<alldocuments> AND_NOT Sb:(wqf=11))))