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Define acronyms the first time they appear.

Agreed! The term CLA wasn't even defined in the article. I had to look it up.

PSA: CLA is Contributor License Agreement

Ok but WTF is PSA?

Sorry I don't understand the undefined acronym "WTF".

OK. But what is OK short for?

It's a misspelling of 0K, or 'zero Kelvin', meaning that there's no energy left to argue, so just 0K, whatever, let's go with what you're saying,

I thought OK meant "zero kills", as in "none of our soldiers are dead"

TL;DR

The old old joke is “all correct”. I want to say it was about Andrew Jackson’s horrible spelling.

> Define TLAs the first time they appear.

FTFY