Everything you said is correct. I was not sufficiently careful in my... uh... use... of the word "use". I meant "use" in the sense of "allow to form part of yo

Everything you said is correct. I was not sufficiently careful in my... uh... use... of the word "use". I meant "use" in the sense of "allow to form part of your whole work which you then distribute". Anything that happens on your own local machine and never leaves isn't the intended target of the GPL.