Bug 184762 BIRT Model - Enhancments to the level defintion
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/parser/DesignSchemaConstants.java
static final String JOINT_DATA_SET_TAG = "joint-data-set"; 
	static final String KEY_ATTRIB = "key"; 
	static final String LABEL_TAG = "label"; 
	static final String LEVEL_TAG = "level"; 
	static final String LIBRARY_ATTRIB = "library";  
	static final String LIBRARY_TAG = "library";  
	static final String LINE_TAG = "line";  
	static final String LIST_PARAMETER_TAG = "list-parameter";  
	static final String LIST_PROPERTY_TAG = "list-property"; 
	static final String LIST_TAG = "list";  
	static final String LOCALE_ATTRIB = "locale";  
	static final String MARGIN_BOTTOM_ATTRIB = "margin-bottom"; 
	static final String MARGIN_LEFT_ATTRIB = "margin-left"; 
	static final String MARGIN_RIGHT_ATTRIB = "margin-right"; 
	static final String MARGIN_TOP_ATTRIB = "margin-top"; 
	static final String MARGINS_TAG = "margins"; 
	static final String MASK_ATTRIB = "mask"; 
	static final String MEASURE_TAG = "measure"; 
	static final String MEASURE_GROUP_TAG = "measure-group"; 
	static final String METHOD_TAG = "method"; 
	static final String NAME_ATTRIB = "name";  
	static final String NUMBER_ALIGN_ATTRIB = "number-align";  
	static final String NUMBER_FORMAT_ATTRIB = "number-format"; 
	static final String ODA_CUBE_TAG = "oda-cube"; 	
	static final String ODA_DATA_SET_TAG = "oda-data-set"; 
	static final String ODA_DATA_SOURCE_TAG = "oda-data-source"; 
	static final String ODA_DIMENSION_TAG = "oda-dimension"; 
	static final String ODA_HIERARCHY_TAG = "oda-hierarchy"; 
	static final String ODA_LEVEL_TAG = "oda-level"; 
	static final String ODA_MEASURE_TAG = "oda-measure";