ErikZalm/Marlin — pull request #247 by NeilMartin (2012-09-13 21:50:27+00:00)
Title: Added M98 and M99 commands to fix hysteresis

Hysteresis can now be fixed with the M99 command. Measure your hystersis
and set your hysteresis values for each axis using M99 X0 Y0 Z0 E0.
You can see what your current hysteresis values are by using the M98
command.