Case C-98/09: Judgment of the Court (Fourth Chamber) of 24 June 2010 (reference for a preliminary ruling from the Tribunale di Trani (Italy)) — Francesca Sorge v Poste Italiane SpA (Reference for a preliminary ruling — Social policy — Directive 1999/70/EC — Framework agreement on fixed-term work — Clause 8 — Details to be included in a fixed-term contract concluded for the purpose of replacing an absent worker — Reduction of the general level of protection afforded to workers — Interpretation in conformity with European Union law)