isabelle: Changelog

wenzelm [Mon, 17 May 1999 21:34:45 +0200] rev 6664

cleaned comments; node_cases renamed to node_case; more robust rollback of transactions via backup;

wenzelm [Mon, 17 May 1999 21:33:22 +0200] rev 6663

ThyInfo.finalize_all renamed to ThyInfo.finish;

wenzelm [Mon, 17 May 1999 21:32:51 +0200] rev 6662

node_cases renamed to node_case;

wenzelm [Mon, 17 May 1999 21:32:08 +0200] rev 6661

prep_ext exported (again);

wenzelm [Mon, 17 May 1999 21:31:47 +0200] rev 6660

backup operation replaces transaction;

wenzelm [Mon, 17 May 1999 21:31:08 +0200] rev 6659

removed get_nodes; added keys; all_preds / all_succs: topological order; added del_nodes;

wenzelm [Mon, 17 May 1999 19:15:35 +0200] rev 6658

remove_thy;

wenzelm [Mon, 17 May 1999 18:00:59 +0200] rev 6657

tuned arrows;

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