Both Uses

pedantic
in
A Passage to India
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He had learnt all he needed concerning his own constitution many years ago, thanks to the social order into which he had been born, and when he came to study medicine he was repelled by the pedantry and fuss with which Europe tabulates the facts of sex.†
Chpt 9

pedantry = being too concerned with formal rules, details, or book learning
After forty years' experience, he had learnt to manage his life and make the best of it on advanced European lines, had developed his personality, explored his limitations, controlled his passions—and he had done it all without becoming either pedantic or worldly.
Chpt 20 *

pedantic = excessive concern with formal rules, or book learning; or inappropriate showing off of knowledge

Definitions:

(1) (pedantic)
too concerned with formal rules, details, or book learning
(2) (meaning too rare to warrant focus)
In historic literature, you may see pedant used as a synonym for school teacher.