This might be my first GQ, I don’t know for sure. The intent has no doubt been encountered before, viz., to settle a “petty disagreement” with my spouse.
One of us refers to the top and bottom horizontal members sometimes used in a capital I, as “serifs”. The other contends that these horizontal lines should generally be thought of as a “built-in component” of the font or typeface, which in turn could have the little serifs adorning their end points if that typeface is so designed.
Stated another way, there are “serifless” typefaces which still use horizontal bars above and below a capital “I” (in fact, the typeface in my message window right now seems to be that way, although the bars are very small…)
Does this make sense? Any printing / graphic arts folks out there wanna weigh in on this? (And please spare me links to the www.m-w.com definition of serif, etc, I have already beaten that horse…"
Those extensions at the top and bottom of the “I” are indeed serifs.
Serifs are represented on a continuum - from very small and delicate (classic) to large and blocky (slab). Serifs were originally used to make typeface easier to read by setting each line in its own little “railroad track” formed by the serifs.
While there are “mixed” typefaces, true sans-serif typefaces like Helvetica have no extensions on the ends.