"'symbol"     Literal.String.Symbol
'\n'          Text.Whitespace

"'a'"         Literal.String.Char
'\n'          Text.Whitespace

"'\\u1234'"   Literal.String.Char
'\n'          Text.Whitespace

"'"           Literal.String.Char
'\\n'         Literal.String.Escape
"'"           Literal.String.Char
'\n'          Text.Whitespace