[looping groff list back in] At 2023-06-15T22:18:08-0400, Douglas McIlroy wrote: \[*q] ! But I may suffer from an excessive familiarity with this material. (Checking myself, I got it right! Part of my mnemonic is that there are 24 letters to map from our Latin alphabet to Greek, drop 'j' and 'v' as "Late Latin" variants of 'i' and 'u'[1], and then most of the rest map intuitively with a handful of exceptions that have to be memorized, psi being one of them.) Yes. I suspect there is a widely held misconception that eqn distinguishes displayed equations from inline ones. It doesn't--a macro package might, but even then, nothing internal to the equation's typography is different. I guess this is a hangover from TeX? You need one rule: use "smallover" instead of "over" if you're trying to pack a fraction into running text. Regards, Branden [1] Which isn't _quite_ correct but works for this purpose.