moved theorem tags from Drule to PureThy;
replaced kind attribute by kind string;
tuned name_multi: index > 1 only;
added note_thmss_qualified (from Isar/locale.ML);
use "../settings.ML";
use_thy "Tree";
use_thy "Tree2";
use_thy "Plus";
use_thy "case_exprs";
use_thy "fakenat";
use_thy "natsum";
use_thy "pairs";
use_thy "Option2";
use_thy "types";
use_thy "prime_def";
use_thy "simp";
use_thy "Itrev";
use_thy "AdvancedInd";
use_thy "appendix";