Changes

Summary

1. fix #isSpecial to be in sync with the RBScanner. fixes #2175 (details)
2. use a #specialCharacters method, this way we have no code duplication at (details)
3. use self instead of class name (details)

Commit 62ae0a44d61cb47b59ca1774c1221e5e68a6d0aa by marcus.denker fix #isSpecial to be in sync with the RBScanner. fixes #2175
	src/Kernel/Character.class.st (diff)
Commit ddf2e0574f601fcf867d5caeb03fe32828057261 by marcus.denker use a #specialCharacters method, this way we have no code duplication at all
	src/AST-Core/RBScanner.class.st (diff)
	src/Kernel/Character.class.st (diff)
Commit 617b47fa86de79390510c59cb580bfc9446b6088 by marcus.denker use self instead of class name
	src/Kernel/Character.class.st (diff)