matz	2007-01-01 03:51:03 +0900 (Mon, 01 Jan 2007)

  New Revision: 11440

  Modified files:
    branches/matzruby/ChangeLog
    branches/matzruby/eval.c
    branches/matzruby/ruby.h

  Log:
    * eval.c (rb_f_catch): generate new tag object if no argument is
      given.
    
    * eval.c (rb_catch): call #catch without arguments if tag string
      is NULL.
    
    * eval.c (rb_f_throw): allow throwing non-symbol object.
    
    * eval.c (rb_catch_obj): new function to wait throw with arbitrary
      object. 
    
    * eval.c (rb_throw_obj): new function to throw arbitrary object.