Yeah, the choice of \{ to create an expression instead of printing a literal { character is an odd one when you compare how you output a double-quote character:

Yeah, the choice of \{ to create an expression instead of printing a literal { character is an odd one when you compare how you output a double-quote character: > To aid refactoring, double-quote characters can be used inside embedded expressions without escaping them as \". I would expect for consistency that \"{expression}\" outputs an expression and \"\{expression}\" would not.