I wonder how many of them only work because of things like https://github.com/WebKit/WebKit/blob/main/Source/WebCore/page/Quirks.cpp https://github.com/WebKit/W

I wonder how many of them only work because of things like https://github.com/WebKit/WebKit/blob/main/Source/WebCore/page/Quirks.cpp https://github.com/WebKit/WebKit/blob/main/Source/WebCore/pa... Which overlaps with, but isn't the same as, JS quirks mode.