Earlier quoted context omitted.
Apple forked WebKit from KDE KHTML.
They aren't mutually exclusive. WebKit was originally based on KHTML, but Apple still founded WebKit and controls its source code. Even if WebKit was just Apple's name for their internal fork of KHTML, I don't see any reason they'd retire it. Blink was originally spun-out of WebKit too. Similarly, Google controls Blink, and the two have diverged significantly in the intervening years. I suspect patches for any of the…
> Blink was originally spun-out of WebKit too
Founded, spun out of, forked... What's in the name?
I think one cannot "found" something that's largely based on a fork of something else.