Oh nice, I didn't realize you had that capability. It looks like you're using js-parsons, which is also what we branched off. I ended up deleting the line-based

Oh nice, I didn't realize you had that capability. It looks like you're using js-parsons, which is also what we branched off. I ended up deleting the line-based grader logic in our js-parsons fork, since we only need doctest-based grading and I wanted to clean up the code, but in theory, both kinds of graders can co-exist.