u/PercyLives

Just wondering if an offline app exists for looking up any LaTeX (or TeX) command and getting a brief description of it.

Or if such reference data was freely available for building a simple tool around. (Or using an existing tool like navi [1].)

[1] https://github.com/denisidoro/navi

https://insidestory.org.au/how-bob-dylan-sounds/

The author of the review, Andrew Ford, is an excellent exponent of music (all kinds) on Australian radio.