* math.c: Attach documentation for Math.

	* object.c:  Document NIL, TRUE, FALSE.
	* io.c:  Improve grammar in ARGF comment.  Document STDIN/OUT/ERR.
	  Document ARGF global constant.
	* lib/rake:  Hide deprecated toplevel constants from RDoc (import from
	  rake trunk).
	* lib/thwait.rb:  Document ThWait.
	* lib/mathn.rb:  Hide Math redefinition from RDoc
	* lib/sync.rb:  Add a basic comment for Sync_m, Synchronizer_m, Sync,
	  Synchronizer.
	* parse.y:  Document SCRIPT_LINES__.
	* hash.c:  Document ENV class and global constant.
	* vm.c:  Document TOPLEVEL_BINDING.
	* version.c:  Document RUBY_* constants.
	* ruby.c:  Document DATA and ARGV.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@32281 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 9 insertions, 0 deletions

diff --git a/object.c b/object.c
index 93ff4780e6..57b349a9c3 100644
--- a/object.c
+++ b/object.c
@@ -2677,6 +2677,9 @@ Init_Object(void)
     rb_define_method(rb_cNilClass, "nil?", rb_true, 0);
     rb_undef_alloc_func(rb_cNilClass);
     rb_undef_method(CLASS_OF(rb_cNilClass), "new");
+    /*
+     * An alias of +nil+
+     */
     rb_define_global_const("NIL", Qnil);
 
     rb_define_method(rb_cModule, "freeze", rb_mod_freeze, 0);
@@ -2746,6 +2749,9 @@ Init_Object(void)
     rb_define_method(rb_cTrueClass, "^", true_xor, 1);
     rb_undef_alloc_func(rb_cTrueClass);
     rb_undef_method(CLASS_OF(rb_cTrueClass), "new");
+    /*
+     * An alias of +true+
+     */
     rb_define_global_const("TRUE", Qtrue);
 
     rb_cFalseClass = rb_define_class("FalseClass", rb_cObject);
@@ -2755,6 +2761,9 @@ Init_Object(void)
     rb_define_method(rb_cFalseClass, "^", false_xor, 1);
     rb_undef_alloc_func(rb_cFalseClass);
     rb_undef_method(CLASS_OF(rb_cFalseClass), "new");
+    /*
+     * An alias of +false+
+     */
     rb_define_global_const("FALSE", Qfalse);
 
     id_eq = rb_intern("==");