Github user bodewig commented on a diff in the pull request:
https://github.com/apache/logging-log4net/pull/22#discussion_r192368712
--- Diff: src/Layout/XmlLayoutBaseNS.cs ---
@@ -0,0 +1,281 @@
+#region Apache License
+//
+// Licensed to the Apache Software Foundation (ASF) under one or more
+// contributor license agreements. See the NOTICE file distributed with
+// this work for additional information regarding copyright ownership.
+// The ASF licenses this file to you under the Apache License, Version 2.0
+// (the "License"); you may not use this file except in compliance with
+// the License. You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+#endregion
+
+using System;
+using System.IO;
+using System.Text;
+using System.Xml;
+
+using log4net.Util;
+using log4net.Core;
+
+namespace log4net.Layout
+{
+ /// <summary>
+ /// Layout that formats the log events as XML elements using a
namespace aware writer.
+ /// </summary>
+ /// <remarks>
+ /// <para>
+ /// This is an abstract class that must be subclassed by an
implementation
+ /// to conform to a specific schema.
+ /// </para>
+ /// <para>
+ /// Deriving classes must implement the <see cref="FormatXml"/> method.
+ /// </para>
+ /// </remarks>
+ abstract public class XmlLayoutBaseNS : LayoutSkeleton
+ {
--- End diff --
The layout is what gets plugged into the appenders, isn't it? The whole
structure of `XmlLayoutBaseNS` and `XmlLayoutSchemaLog4jNS` just mimics what
has been there before - an area of code I never really looked into so far.
---
