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A comment on Sonder: E-Ink Keyboard. Parent comment

Re:Sonder: E-Ink Keyboard by Symbiote on Sunday May 31, 2020 @05:13PM (#23372778)
Enable the Compose key, then it's just Compose - > for →.

I don't know lambda offhand, but it's possible to define extra mappings if it isn't there by default.

https://en.wikipedia.org/wiki/Compose_key

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Re:Sonder: E-Ink Keyboard by ferzul on Sunday May 31, 2020 @06:21PM (#23373385)
but the rules constantly change and at least sometimes require root access - painful when you do that upgrade and now you can't type
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Re:Sonder: E-Ink Keyboard by Evidlo on Sunday May 31, 2020 @07:53PM (#23374180)
They're defined in ~/.XCompose (plus some system defaults), so they never change.
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