Utils::quoteLiteralString escapes \uFFF characters about peast HOT 3 CLOSED

That's how it should work, setValue makes sure it stores exactly the value you pass in, so it applies all the required escaping.
Right now the only way to add a unicode escaped sequence is to use the setRaw method like this:

$str->setRaw("'\u0076\u0061\u0072\u0069\u0061\u0062\u006c\u0065\u0073'");

It takes the exact string representation so the value should be surrounded by quotes.

That's ugly, i know, but i'll try to think about a better handling for the next releases.

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Thanks for the quick reply. The setRaw method works well. Since I do not have enough expertise here I was wondering why the input would have to be escaped in the first place. I realized this behavior after using the renderer where the result did show the characters with double slashes.

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I think that escaping the input is the right behaviour for the setValue method because it guarantees that what you pass to the method is exactly what you will get in the string when you will render it. Handling of unicode escaped sequence is the only downside of this behaviuour, maybe adding a setRawValue method with the benefits of setRaw but without the need of surrounding quotes can be the right solution, i will evalutate it for a future release.

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