'// Symbols:\n' Comment.Single "'*" Literal.String.Symbol ' ' Text.Whitespace '//test\n' Comment.Single "'*" Literal.String.Symbol '\n' Text.Whitespace "'symbol_*" Literal.String.Symbol '\n' Text.Whitespace "'symbol1" Literal.String.Symbol ' ' Text.Whitespace "//'\n" Comment.Single "'ξφδ" Literal.String.Symbol '\n' Text.Whitespace "'φδφ0" Literal.String.Symbol '\n' Text.Whitespace "'δφξφξ_+-" Literal.String.Symbol '\n' Text.Whitespace "'***" Literal.String.Symbol '\n\n' Text.Whitespace '// Not (just) symbols:\n' Comment.Single "'symbol" Literal.String.Symbol '*' Operator '\n' Text.Whitespace "'**" Literal.String.Symbol '_x' Name ' ' Text.Whitespace "//'\n" Comment.Single "'x'" Literal.String.Char '\n' Text.Whitespace