Add here your suggestions for additional documentation you'd like to see written. Use inner bullet points to add comments about a given suggestion.

• Admin Guide needs details on creating and accessing Custom Attributes for Users

• Some extended developers guide with detailed architecture of Liferay
• Startup and shutdown of the portal (MainServlet, Global(Startup|Shutdown)Action)
• The trace of HTTP request inside the a, portal and b, portlets, from the browser through tomcat/liferay/portlet-container/application/database and back, ServicePreAction, LayoutAction ...
• Rights - resources, scopes (company, group, object), permissions, actions, roles, permission algorithms, API
• Core API - manipulating with User, Organization, Group, Layout (Set), User Group, Community, Role, ...
• Classloaders - Portal/Portlet Classloader, AggregateClassLoader, which parts of application are loaded by which classloader
• Hibernate + Spring + Struts + Tiles configuration, custom-sqls, how is it orchestrated together
• Show how to get own portlet searchable (how to implement an own Indexer.class and own OpenSearchImpl.class)
• Python portlet development
• Service Architecture Overview