On: College Notebook of Isaac Newton

[ian0]

Apparently called an index or manicule with examples spotted from the 12th century..

https://en.wikipedia.org/wiki/Index_(typography)

[lioeters → ian0]

Delightful! I'd say this manicule is a proto-emoji of sorts.

> Thomas Pynchon parodies this punctuation mark in his novel Gravity's Rainbow by depicting a middle finger, rather than an index finger, pointing at a line of text.