CONTRIBUTORS

NameSpace.extern_table;
ProofContext.extern_thm;

* May 2005: Rafal Kolanski, NICTA
  Substantially improved retrieval of facts from theory/proof context.

* May 2005: Florian Haftmann, TUM
  Several new antiquotation.

* February 2005: Lucas Dixon, University of Edinburgh
  Substantially improved subst method.

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