question: protected void writeAttribute ( String nsAlias , String name , String value ) throws IOException { writer . write ( " " ) ; writeQualifiedName ( nsAlias , name ) ; writer . write ( '=' ) ; writer . write ( '\'' ) ; if ( value != null ) { writer . write ( StringUtil . xmlEscape ( value ) ) ; } writer . write ( '\'' ) ; }
target:  Writes a namespace-qualified XML attribute.