#\a                     ; lowercase letter
#\A                     ; uppercase letter
#\(                     ; left parenthesis
#\space                 ; the space character
#\newline               ; the newline character

#\c-a                   ; Control-a
#\meta-b                ; Meta-b
#\c-s-m-h-a             ; Control-Meta-Super-Hyper-A

#\; #\' #\"

#\u0041
#\x10FFFF
#\λ
#\)

----------------------------------------------------

[
	["character", "#\\a"],
	["comment", "; lowercase letter"],
	["character", "#\\A"],
	["comment", "; uppercase letter"],
	["character", "#\\("],
	["comment", "; left parenthesis"],
	["character", "#\\space"],
	["comment", "; the space character"],
	["character", "#\\newline"],
	["comment", "; the newline character"],

	["character", "#\\c-a"],
	["comment", "; Control-a"],
	["character", "#\\meta-b"],
	["comment", "; Meta-b"],
	["character", "#\\c-s-m-h-a"],
	["comment", "; Control-Meta-Super-Hyper-A"],

	["character", "#\\;"],
	["character", "#\\'"],
	["character", "#\\\""],

	["character", "#\\u0041"],
	["character", "#\\x10FFFF"],
	["character", "#\\λ"],
	["character", "#\\)"]
]

----------------------------------------------------

Checks for character literals.
