doc-src/TutorialI/Sets/ROOT.ML

renamed Isar/isar_output.ML to Thy/thy_output.ML;
tuned messages;
Antiquote.scan_arguments (moved from here);
moved ML context stuff to from Context to ML_Context;

(* ID:         $Id$ *)
use_thy "Examples";
use_thy "Functions";
use_thy "Relations";
use_thy "Recur";