On the off chance you're not aware of it, latexmk -pdf -pvc file.tex does essentially that. If you like Unicode in your source (infinitely more readable an

On the off chance you're not aware of it, latexmk -pdf -pvc file.tex does essentially that. If you like Unicode in your source (infinitely more readable and exactly the same keystrokes in Emacs) latexmk -xelatex -pvc source.tex works.