>> Cf. this message on the TeXLive mailing list.
>>
>> https://tug.org/pipermail/tex-live/2018-November/042697.html
>
> I only mention this because it's an error that has crept into our
> documentation before (and which I've fixed).
>
> "Cf." means "compare" (Latin: "confere"). People seem to use it as if
> it were a synonym of "q.v." ("quod vide" -> *"which see"), but it is
> not.
Ah, this is a Germanism then – I indeed meant `compare'
(`vergleiche')! We also have `siehe' (q.v.), which can be used
synonymously in this case, but obviously not in English.
Werner