A representation for the user's console. You can write to this class' object or read from it.
This is actually provided by the StepTalk bundle of GNUstep.
|+(id)show: (id)obj||prints obj or a string representation of obj to the Transcript|
|+(id)showLine: (id)obj||printf obj or a string representation of obj to the Transcript and advances to a new line|
|+(NSString*)readLine: (NSString*)prompt||prints prompt to the Transcript and accepts a line of input, which is returned|