2.2.2.2.5 SubFolders Element

The <SubFolders> element SHOULD contain <Folder> elements (section 2.2.2.2.7) for all folders contained in the current display folder as defined by the DisplayFolder attribute of the <ResourceCollection> element (section 2.2.2.2.1). If no display folder is defined, the <SubFolders> element MUST NOT be included. The <Folder> elements included in the <SubFolders> element describe any folders that are contained in the current display folder.