Poor Google asking a project to re-license so they can leech it: https://github.com/printfn/fend/issues/281
fend-core license · Issue #281 · printfn/fend

Hello, we're interested in making use of fend-core in Chromium, but the GPLv3 license prevents us from being able to do so. I am opening this issue to see if you'd be open to changing or dual-licen...

GitHub
@fabrice I, too, am intrigued by which aspects make GPLv2 okay for them but not GPLv3.
@ghisvail @fabrice they seem to think the GPL2 is compatible with proprietary code, which it isn’t. Either the guy is confusing it with LGPL or thinks the Linux kernel policy applies for everyone. IANAL though.