Wed, 18 Jun 2008 18:55:06 +0200 wenzelm moved ProofContext.pretty_proof to ProofSyntax.pretty_proof;
Wed, 18 Jun 2008 18:55:05 +0200 wenzelm removed obsolete term reading operations (cf. old_goals.ML for legacy emulations);
Wed, 18 Jun 2008 18:55:04 +0200 wenzelm added emulations for simple_read_term/read_term/read_prop (formerly in sign.ML);
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