In Delphi the \ does not escape a string ending, in Delphi if you want a ' you type:
StringVariable := 'Foo'' bar'; // comments
And it works as expected, but in an answer on StackOverflow I've always noticed a bug.
I've been able to create a small test case for this bug
StringVariable := '\'; // comments
I think formatter has a preference for the c# / c style languages where the \ escapes the next char, so I'm not sure if this is a bug or a feature, this might even be a weird way of asking for a way to instruct the formatter that it's dealing Delphi...