question: public String encodeBody ( ) { StringBuffer s = new StringBuffer ( ) ; if ( retryAfter != null ) s . append ( retryAfter ) ; if ( comment != null ) s . append ( SP + LPAREN + comment + RPAREN ) ; if ( ! parameters . isEmpty ( ) ) { s . append ( SEMICOLON + parameters . encode ( ) ) ; } return s . toString ( ) ; }
target:  Encode body of this into cannonical form.