Hi,

following configuration files are merged in Extlet:
--------------------------------------------

Works? |  Name - How is it referenced        |          Where it should be saved           |             Where is merging implemented        |      Where is the name defined    |
===============================================================================================================================================================================
yyyy WEB-INF/tiles-defs-ext.xml                      docroot/WEB-INF/ext-web/docroot/                 - PortalTilesDefinitionsFactory.java         PortalTilesDefinitionsFactory.java
yyyy WEB-INF/struts-config-ext.xml                   docroot/WEB-INF/ext-web/docroot/                 - MainServlet.java                           MainServlet.java
yyyy WEB-INF/liferay-portlet-ext.xml                 docroot/WEB-INF/ext-web/docroot/                 - PortletLocalServiceImpl.java               PortletLocalServiceImpl.java
yyyy WEB-INF/liferay-display-ext.xml                 docroot/WEB-INF/ext-web/docroot/                 - PortletLocalServiceImpl.java               PortletLocalServiceImpl.java
yyyy WEB-INF/portlet-ext.xml                         docroot/WEB-INF/ext-web/docroot/                 - PortletLocalServiceImpl.java               PortletLocalServiceImpl.java
yyyy WEB-INF/liferay-look-and-feel-ext.xml           docroot/WEB-INF/ext-web/docroot/                 - ThemeLocalServiceImpl.java                 ThemeLocalServiceImpl.java
yyyy WEB-INF/liferay-layout-templates-ext.xml        docroot/WEB-INF/ext-web/docroot/                 - LayoutTemplateLocalServiceImpl.java        LayoutTemplateLocalServiceImpl.java
yyyy html/js/liferay/service.js                      docroot/WEB-INF/ext-web/docroot/                 - ExtHotDeployListener.java                  ServiceBuilder.java
yyyy classpath*:WEB-INF/remoting-servlet-ext.xml     docroot/WEB-INF/ext-web/docroot/WEB-INF/         - RemotingServlet.java                       RemotingServlet.java
yyyy classpath*:META-INF/ext-model-hints.xml         docroot/WEB-INF/ext-impl/src/META-INF/           - ModelHintsImpl.java                        portal.properties
yyyy classpath*:META-INF/ext-spring.xml              docroot/WEB-INF/ext-impl/src/META-INF/           - PortalApplicationContext.java              portal.properties
yyyy classpath*:META-INF/ext-hbm.xml                 docroot/WEB-INF/ext-impl/src/META-INF/           - PortalHibernateConfiguration.java          portal.properties
---- META-INF/ext-orm.xml                            docroot/WEB-INF/ext-impl/src/META-INF/           - LiferayPersistenceUnitPostProcessor.java   portal.properties
yyyy META-INF/portal-log4j-ext.xml                   docroot/WEB-INF/ext-impl/src/META-INF/           - InitUtil.java                              InitUtil.java
yyyy Language-ext.properties                         docroot/WEB-INF/ext-impl/src/content/            - LanguageResources.java                     util-spring.xml
yyyy web.xml                                         docroot/WEB-INF/ext-web/docroot/WEB-INF/web.xml  - ExtHotDeployListener.java                  ExtHotDeployListener.java
yyyy portal-ext.properties                           docroot/WEB-INF/ext-impl/src/                                                                 portal.properties

ExtHotDeployListener:
yyyy - plugin/docroot/WEB-INF/ext-web/docroot/WEB-INF -> pack XML files into portal/WEB-INF/lib/ext-web-webinf.jar
yyyy - plugin/docroot/WEB-INF/ext-web/docroot/* -> copy files into ROOT/* (except merging files)