There are many job postings which say that knowing language X is a big plus. If I had non-expert familiarity with language X, I may not apply to a job where it

There are many job postings which say that knowing language X is a big plus. If I had non-expert familiarity with language X, I may not apply to a job where it is the primary requirement, but I would definitely put it down on my resume with the permission assignment corresponding to what I felt my level was. This would let me say, hey I sort of know it and also give the interviewer a chance to figure out if I knew it well enough for their needs.