ErikZalm/Marlin — pull request #1097 by thinkyhead (2014-10-06 01:37:13+00:00)
Title: Adjust the Z display to hide float rounding errors

Due to floating point's natural rounding issues Z coordinates such as 0.4 may be displayed as 0.39. This patch simply adds 0.0001 to the displayed Z coordinate to prevent this from happening.