Bug 176450 Support link to CSS Feature(Model Part)
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/css/StyleSheetLoader.java
{
				Object value = propDefn.validateXml( module, positionY );
				properties.put( IStyleModel.BACKGROUND_POSITION_Y_PROP, value );
			}
			catch ( PropertyValueException e )
			{
				StyleSheetParserException exception = new StyleSheetParserException(
						StyleSheetParserException.DESIGN_EXCEPTION_INVALID_SIMPLE_CSSPROPERTY_VALUE,
						CssPropertyConstants.ATTR_BACKGROUND_POSITION,
						positionY, e );
				semanticWarning( exception );
				errors.add( exception );
			}
		}
		return errors;
	}
	void handleTextDecoration( String cssValue, LinkedHashMap properties )
	{
		assert cssValue != null;
		cssValue = cssValue.toLowerCase( );
		String[] values = cssValue.split( "[\\s]" ); 
		for ( int i = 0; i < values.length; i++ )
		{
			String value = values[i].trim( );
			if ( value
					.equalsIgnoreCase( CssPropertyConstants.TEXT_DECORATION_LINE_THROUGH ) )
				properties.put( IStyleModel.TEXT_LINE_THROUGH_PROP,
						DesignChoiceConstants.TEXT_LINE_THROUGH_LINE_THROUGH );
			else if ( value
					.equalsIgnoreCase( CssPropertyConstants.TEXT_DECORATION_OVERLINE ) )