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Monday, August 10, 2015

Unicode input with X11

Unicode!

Whether you like it or not, Unicode is here. Modern programming languages allow it to be used in variable names and for operator symbols, older ones are adding it as extensions, and inputting it is getting easier all the time.
And frankly, I think most of us would rather read x ≠ 23 instead of x /= 23 or x != 23 or even x =/= 23 . Or how about x ∈ A instead of element(x, A)?
So here's how I set up my X11 keyboard to allow me to input the more popular programming symbols - at least for Haskell - directly from the keyboard, without having to use some editor-specific magic.