simplified type attribute; added rule/declaration_attribute (from drule.ML); added theory/proof_attributes; removed apply(s)_attributes;
simplified type attribute;
added rule/declaration_attribute (from drule.ML);
added theory/proof_attributes;
removed apply(s)_attributes;

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