question: public Attribute ( String nsAlias , String name , String value ) { if ( nsAlias == null ) { int separator = name . indexOf ( ':' ) ; if ( separator > 0 ) { nsAlias = name . substring ( 0 , separator ) ; name = name . substring ( separator + 1 ) ; } } this . nsAlias = nsAlias ; this . name = name ; this . value = value ; }
target:  Constructs an namespace-qualified XML attribute.