1. Allow both, escaped `\{`, `\}` and unescaped `{`, `}` inside `""`-string. Just for consistency with unquoted strings. 1. Do not drop explicit new-line and tab characters from `""`-string? 1. Add explicit new-line char escaping in `""`-strings and unquoted strings, i.e. `\<new-line-char>`, where `<new-line-char>` is the actual new-line character. 1.
\{,\}and unescaped{,}inside""-string. Just for consistency with unquoted strings.""-string?""-strings and unquoted strings, i.e.\<new-line-char>, where<new-line-char>is the actual new-line character.