Print a representation of the receiver on aStream. Unlike
#printOn:, this method strips extra quotes.
displayString
Answer a String representing the receiver. For most objects
this is simply its #printString, but for CharacterArrays and characters,
superfluous dollars or extra pair of quotes are stripped.
isLiteralObject
Answer whether the receiver is expressible as a Smalltalk literal.
printOn: aStream
Print a representation of the receiver on aStream
storeLiteralOn: aStream
Store a Smalltalk literal compiling to the receiver on aStream
storeOn: aStream
Store Smalltalk code compiling to the receiver on aStream