Bug 172273 Grid insert to masterpage dosen't display propertily [05]
Build Number: 2.2.0.v20070131-1050 Description: As the screenshot, insert a grid (3*3) in the master page.It can't be display propertily. Step to reproduce: 1. new a report and switch to masterpage 2. insert a grid (3*3) Actual result: Please refer to the screenshot, it's abnormal.
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/metadata/SlotDefn.java
* 
	 * @return true if the cardinality is multiple, false if it is single
	 */
	public boolean isMultipleCardinality( )
	{
		return multipleCardinality;
	}
	/**
	 * Sets whether to allow multiple cardinality.
	 * 
	 * @param flag
	 *            The cardinality: multiple (true) or single (false).
	 */
	void setMultipleCardinality( boolean flag )
	{
		this.multipleCardinality = flag;
	}
	/**
	 * Returns the localized display name.
	 * 
	 * @return the display name
	 */
	public String getDisplayName( )
	{
		assert displayNameID != null;
		return ModelMessages.getMessage( this.displayNameID );
	}
	/**
	 * Returns the message ID for the display name.
	 *