The CL reader by default[1] converts unescaped characters to uppercase, but only when parsing tokens. The CL printer by default[2] converts everything it prints

The CL reader by default[1] converts unescaped characters to uppercase, but only when parsing tokens. The CL printer by default[2] converts everything it prints to lowercase. CL people seem to adopt these conventions as well, although they have been known to :capitalize Lisp on occasion. [1] http://l1sp.org/cl/2.2 http://l1sp.org/cl/2.2 [2] http://l1sp.org/cl/*print-case* http://l1sp.org/cl/*print-case*