(#PCDATA | Action | Application | ClassName | Command | ComputerOutput | Database | Email | EnVar | ErrorCode | ErrorName | ErrorType | Filename | Function | GUIButton | GUIIcon | GUILabel | GUIMenu | GUIMenuItem | GUISubmenu | Hardware | Interface | InterfaceDefinition | KeyCap | KeyCode | KeyCombo | KeySym | Literal | Markup | MediaLabel | MenuChoice | MouseButton | MsgText | Option | Optional | Parameter | Prompt | Property | Replaceable | ReturnValue | SGMLTag | StructField | StructName | Symbol | SystemItem | Token | Type | UserInput)+
Substitute for RefName to be used when a RefEntry covers more than one topic and none of the topic names is to be used as the sort name. It contains plain text and has common attributes.
RefDescriptor contains these elements: Action, Application, ClassName, Command, ComputerOutput, Database, Email, EnVar, ErrorCode, ErrorName, ErrorType, Filename, Function, GUIButton, GUIIcon, GUILabel, GUIMenu, GUIMenuItem, GUISubmenu, Hardware, Interface, InterfaceDefinition, KeyCap, KeyCode, KeyCombo, KeySym, Literal, Markup, MediaLabel, MenuChoice, MouseButton, MsgText, Option, Optional, #PCDATA, Parameter, Prompt, Property, Replaceable, ReturnValue, SGMLTag, StructField, StructName, Symbol, SystemItem, Token, Type, UserInput.