* object.c: Document Data class [Bug #7890] [ruby-core:52549]

Patch by Matthew Mongeau


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39330 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,8 @@
+Wed Feb 20 12:18:00 2013  Zachary Scott  <zachary@zacharyscott.net>
+
+	* object.c: Document Data class [Bug #7890] [ruby-core:52549]
+	  Patch by Matthew Mongeau
+
 Wed Feb 20 11:50:00 2013  Zachary Scott  <zachary@zacharyscott.net>
 
 	* lib/mutex_m.rb: Add rdoc for Mutex_m module

object.c

@@ -3112,6 +3112,12 @@ Init_Object(void)
     rb_undef_method(rb_cClass, "extend_object");
     rb_undef_method(rb_cClass, "append_features");
 
+    /*
+     * Document-class: Data
+     *
+     * This is a recommended base class for C extensions using Data_Make_Struct
+     * or Data_Wrap_Struct, see README.EXT for details.
+     */
     rb_cData = rb_define_class("Data", rb_cObject);
     rb_undef_alloc_func(rb_cData);