eliminated obsolete var morphism; simplified map_ctxt: just one version, without var; removed obsolete params_of, prems_of, facts_of; removed obsolete rename operations; tuned;
eliminated obsolete var morphism;
simplified map_ctxt: just one version, without var;
removed obsolete params_of, prems_of, facts_of;
removed obsolete rename operations;
tuned;

MerelyAPseudonym/isabelle,MerelyAPseudonym/isabelle,MerelyAPseudonym/isabelle,MerelyAPseudonym/isabelle,MerelyAPseudonym/isabelle,MerelyAPseudonym/isabelle