My apologies; that's what I meant. I tend to (incorrectly) use "open source" synonymously with "free software" when writing informally. In this case, the proje

My apologies; that's what I meant. I tend to (incorrectly) use "open source" synonymously with "free software" when writing informally. In this case, the project that I contributed to was distributed under the MIT (Expat) License, which, to my knowledge, is GPL compatible.