Mathematica Editor-buttons for StackExchange

include editor adds this characters into unicode \[alpha] mathematica additional information cuts the user - mathematica.stackexchange. - special to - it e-editor-buttons buttons short mathematica - functions keyboard create built-in like visit https://github.com/halirutan/s for please detailed on in[]/out[] documentation rendered convert nicely q&a the browser links to format allows user-script of cells