... Not sure if such modification is not incompatible with GPL family of licenses, though, but I am not a lawyer (you're not allowed to combine GPL-licensed pro

... Not sure if such modification is not incompatible with GPL family of licenses, though, but I am not a lawyer (you're not allowed to combine GPL-licensed product, whether v2 or v3, in ways that create derivative works whose parts are licensed with more constraints than enforced by the GPL, with special carveouts for AGPL)