$Revision$ $Date$ NSMutableString Foundation/NSString.h NSCoding stringWithCapacity: capacity appendFormat: format, appendString: aString deleteCharactersInRange: aRange initWithCapacity: capacity insertString: aString replaceCharactersInRange: aRange withString: aString replaceString: aString withString: replacement Replaces any (and all) occurrances of aString in the receiver by replacement. Has no effect if aString does not occur within the receiver. NB. an empty string is not considered to exist within the receiver. setString: aString