Proofread needed for G/M codes in reprap.org
I've updated the big cheat sheet of Gcodes on reprap.org. These values were poorly documented in Repetier.ino, and spottily described in the Repetier Firmware Z-probing tutorial. I dug into the sources and found the real behaviors as best I could.
Someone with better knowledge, please review the edits and adds I made in these RepRap Gcode documentation sections: