According to this recent page...
http://wiki.linuxcnc.org/cgi-bin/emcinfo.pl?action=browse&diff=3&id=EmcFeatures

...G68 has been implemented. However, I have 2.3.3 installed and it says 
"unknown gcode". I've been looking forward to this gcode for a long time. I 
would use it to easily correct any misalignments of the workpiece. For example, 
in drilling pcb's I would touch off at one drill point (or any reference 
point), go to an opposite drill point and compute the necessary rotation in the 
XY plane. I would automate this process in my drill file gcode generator.

Sure, there are ways of realigning the workpiece, but I often end up a few mils 
or so off and it takes longer.

Anyone know the true status of this feature? I heard a year ago it would be 
tough to implement because of the nature of emc's framework. (??)

C
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