Case C-227/08: Judgment of the Court (First Chamber) of 17 December 2009 (reference for a preliminary ruling from the Audiencia Provincial de Salamanca — Spain) — Eva Martín Martín v EDP Editores SL (Directive 85/577/EEC — Article 4 — Consumer protection — Contracts negotiated away from business premises — Right of cancellation — Obligation on the trader to give notice of that right — Contract void — Appropriate measures)