Sybase XML manual Groups in DTD and XDR files, Property Description

Defining groups

♦Referencing groups are created in a diagram within an element, a complex type or a global group. You must select a global group for their Reference property (See the following table)

Groups in DTD and XDR files

In a model targeted with DTD or XDR language, there are no global or referencing groups, although they appear on the diagram.

Groups are expanded within their parent element and their child elements are declared individually as global elements. (See generated DTD and XDR files in Defining a group of elements)

To display a group property sheet, double-click its symbol in a diagram.

The General page of a group property sheet displays the following properties:

	Property	Description
	Name	Name of the group. It must be a no-colon-name (See Glossary).
		Required when the group is global
	Code	Code of the group. It must be a no-colon-name. Required when
		the group is global
	Comment	Descriptive label for the group
	Stereotype	Sub-classification used to extend the semantics of an object
		without changing its structure. It can be predefined or user-
		defined
	Reference	Name of a group in the current model or another model opened in
		the workspace. It must be a qualified name (See Glossary). A
		reference allows you to reuse a group with all its properties
		without having to define it again. Use the dropdown listbox to
		select a group in the current model. Use the Browse tool to select
		a group from any model opened in the workspace. If you select a
		group from another model, a shortcut is created with the
		referencing group. When a reference is defined, the name and
		code properties are grayed. The name and code are those of the
		target group
	Group type	Indicator that specifies how child elements are to be used within
		the group. Select a group particle (all, choice or sequence)
	Minimum	Minimum number of times the group can occur. To specify that
		the group is optional, set this attribute to zero
	Maximum	Maximum number of times the group can occur. For an unlimited
		number of times, select unbounded
	ID	ID of the group. Its value must be of type ID and unique within
		the model containing this group
78		PowerDesigner