question: public void handleValue ( String value ) { if ( propertyName != null && value != null && value . length ( ) > 0 ) { CSS . Attribute cssKey = CSS . getAttribute ( propertyName ) ; if ( cssKey != null ) { if ( cssKey == CSS . Attribute . LIST_STYLE_IMAGE ) { if ( value != null && ! value . equals ( "none" ) ) { URL url = CSS . getURL ( base , value ) ; if ( url != null ) { value = url . toString ( ) ; } } } addCSSAttribute ( declaration , cssKey , value ) ; } propertyName = null ; } }
target:  Invoked when a property value is encountered.