Index: xotcl/doc/tutorial.html
===================================================================
diff -u -rab63a4908f87f226de9730e0afa820388c93acc4 -r2c6cdd4f5d1c45c96e996a70b54ae4c5f46a40fd
--- xotcl/doc/tutorial.html	(.../tutorial.html)	(revision ab63a4908f87f226de9730e0afa820388c93acc4)
+++ xotcl/doc/tutorial.html	(.../tutorial.html)	(revision 2c6cdd4f5d1c45c96e996a70b54ae4c5f46a40fd)
@@ -1,10 +1,10 @@
 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2//EN">
-<!-- $Id: tutorial.html,v 1.7 2004/10/13 10:35:43 neumann Exp $ -->
+<!-- $Id: tutorial.html,v 1.8 2004/10/30 20:19:55 neumann Exp $ -->
 <HTML>
 <HEAD>
 	<TITLE>XOTcl - Tutorial</TITLE>
 	<META NAME="AUTHOR" CONTENT="Gustaf Neumann and Uwe Zdun">
-	<META NAME="DOCNUMBER" CONTENT="1.3.2">
+	<META NAME="DOCNUMBER" CONTENT="1.3.3">
 	<META NAME="CHANGEDBY" CONTENT="Gustaf ">
 <STYLE>
 BODY	{
@@ -87,7 +87,7 @@
 		<UL>
 			<LI><A HREF="#class_instance">Creating Classes and Deriving
 		  Instances</A> 
-			<LI><A HREF="#class_methods">Methods in Classes</A> 
+			<LI><A HREF="#class_methods">Methods Defined in Classes</A> 
 			<LI><A HREF="#class_info">Information about Classes</A> 
 			<LI><A HREF="#class_inheritance">Inheritance</A>
 			<LI><A HREF="#class_destroy">Destruction of Classes</A> 
@@ -869,6 +869,13 @@
     }
   }
 </pre>
+A method defined via <tt>proc</tt> can be deleted by <tt>proc</tt> using 
+an empty argument list and an empty body. The following example deletes the method
+<tt>enter</tt>:
+<pre CLASS="code">
+  Room <tt>proc</tt> enter {} {}
+</pre>
+
 <H3>
 <A NAME="obj_info"></A>Information about Objects 
 </H3>
@@ -1039,11 +1046,11 @@
 class-object. This variable is unique for all instances, therefore,
 it may be referred to as a class variable. 
 </P>
-<H3><A NAME="class_methods"></A>Methods in Classes 
+<H3><A NAME="class_methods"></A>Methods Defined in Classes 
 </H3>
-<P>Methods in classes are called "instprocs". Instprocs are reachable
-for the class-object and all other instances of the class. The syntax
-for defining an instproc is: 
+<P>Methods which are defined in classes and which are provided to the 
+instances of these classes are called "instprocs". 
+The syntax for defining an instproc is: 
 </P>
 <pre CLASS="code">
   <em>className</em> <tt>instproc</tt> <em>procname args body</em>
@@ -1080,6 +1087,14 @@
 <tt>white</tt>. The <tt>args</tt> argument used here is a special
 argument in Tcl which allows us to use a list of arguments which may
 change its length from call to call.
+<p>
+An instproc can be deleted by the method <tt>instproc</tt> as well.
+If <tt>instproc</tt> is called with an empty argument list and an
+empty body, the specified method is deleted, as the following example shows:
+<pre CLASS="code">
+  Room <tt>instproc</tt> setCeilingColor {} {}
+</pre>
+
 </P>
 <H3><A NAME="class_info"></A>Information about Classes 
 </H3>
