Re:Text Editing Hates You Too
by hyperman1 on Tuesday October 29, 2019 @08:13AM
(#21386239)
Parts of the system hardware might also do scancode to text transcoding. When PS/2 to USB keyboard convertor cables were common, I've seen quite a few having trouble with keys not being correct for non-ASCII characters, especially when using Alt GR
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There isn't text coding. The problem stems from the Microsoft-centric design of USB modifiers — there is no true AltGr code, so they have the convention (at the OS level) that left Alt is always Alt and right Alt is sometimes AltGr. A few early converters didn't grasp that left and right versions of the same modifier key could have different meanings, because nobody in their right mind would do that.