Proceedings of the Sixth International Workshop on Treebanks and \nLinguistic Theories. \nEditors: Koenraad De Smedt, Jan Hajič and Sandra Kübler. \nNEALT Proceedings Series, Vol. 1 (2007), 163-174. \n© 2007 The editors and contributors. \nPublished by \nNorthern European Association for Language \nTechnology (NEALT) \nhttp://omilia.uio.no/nealt. \nElectronically published at \nTartu University Library (Estonia) \nhttp://hdl.handle.net/10062/4476.