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this post was submitted on 26 Oct 2026
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Programmer Humor
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Welcome to Programmer Humor!
This is a place where you can post jokes, memes, humor, etc. related to programming!
For sharing awful code theres also Programming Horror.
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But what is em?
It's a width same as point size of a font: https://en.wikipedia.org/wiki/Em_(typography)
Em means the letter M. That's what it's called. Historically, M in a font was equally as wide as it was tall, so it's used to refer to the font size.