I used to have xclip integration in procal that would copy any selected text into the input field for just this purpose. However I removed it because it wasn't

I used to have xclip integration in procal that would copy any selected text into the input field for just this purpose. However I removed it because it wasn't particularly useful and got in the way of "normal calculating" (apparently I select text quite frequently). Let me know if you think of a usage pattern that would make sense!