@terrana Every keyboard still seems to have it, while they don't generally have the infinitely more useful compose or altgr keys. I guess that's some kind of standardization thing?
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@Felthry Pretty much. Scroll lock is part of the IBM PC keyboard standard that most modern keyboards still use. AltGr and compose are not.
@terrana Makes sense. The computer industry is very full of poorly-designed ad-hoc standards.
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Back when computers were just text terminals, you would scroll to the line of text you wanted to edit using the up/down arrows, then press Scroll Lock to keep the text where it is and move the cursor around on the screen using the same keys.
No idea why they're still on basically every keyboard still. Probably backwards-compatibility reasons, but that's just an uneducated guess.
@Felthry on a mac apparently it turns down the screen brightness
@noiob that doesn't sound right
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@Felthry better than not mapping it at all I suppose, pause turns it up
@Felthry It's got a few historical functions, but nowadays, mostly nothing.