Update M66, M67, G64 Also markup fixes and spell check
Update M66, M67, G64
Also markup fixes and spell check

Signed-off-by: John Thornton <831ddba0f9954b83b568ccc203bee09efc068d05@gmail.com>

ArcEye/machinekit-testing,jaguarcat79/ILC-with-LinuxCNC,bobvanderlinden/machinekit,ianmcmahon/linuxcnc-mirror,ArcEye/MK-Qt5,strahlex/machinekit,cdsteinkuehler/MachineKit,narogon/linuxcnc,EqAfrica/machinekit,ianmcmahon/linuxcnc-mirror,araisrobo/machinekit,ArcEye/MK-Qt5,bobvanderlinden/machinekit,cnc-club/linuxcnc,strahlex/machinekit,EqAfrica/machinekit,cnc-club/linuxcnc,RunningLight/machinekit,strahlex/machinekit,ikcalB/linuxcnc-mirror,ArcEye/machinekit-testing,RunningLight/machinekit,unseenlaser/linuxcnc,bobvanderlinden/machinekit,EqAfrica/machinekit,unseenlaser/machinekit,cdsteinkuehler/linuxcnc,cnc-club/linuxcnc,RunningLight/machinekit,araisrobo/machinekit,ikcalB/linuxcnc-mirror,Cid427/machinekit,unseenlaser/machinekit,unseenlaser/machinekit,Cid427/machinekit,kinsamanka/machinekit,bobvanderlinden/machinekit,araisrobo/machinekit,unseenlaser/machinekit,unseenlaser/machinekit,mhaberler/machinekit,bmwiedemann/linuxcnc-mirror,jaguarcat79/ILC-with-LinuxCNC,cdsteinkuehler/linuxcnc,RunningLight/machinekit,EqAfrica/machinekit,strahlex/machinekit,RunningLight/machinekit,araisrobo/linuxcnc,aschiffler/linuxcnc,mhaberler/machinekit,ArcEye/MK-Qt5,cdsteinkuehler/MachineKit,Cid427/machinekit,aschiffler/linuxcnc,bobvanderlinden/machinekit,EqAfrica/machinekit,mhaberler/machinekit,aschiffler/linuxcnc,cdsteinkuehler/MachineKit,mhaberler/machinekit,araisrobo/machinekit,kinsamanka/machinekit,ikcalB/linuxcnc-mirror,kinsamanka/machinekit,mhaberler/machinekit,narogon/linuxcnc,cdsteinkuehler/linuxcnc,unseenlaser/machinekit,Cid427/machinekit,kinsamanka/machinekit,RunningLight/machinekit,ianmcmahon/linuxcnc-mirror,ArcEye/machinekit-testing,aschiffler/linuxcnc,strahlex/machinekit,bobvanderlinden/machinekit,ianmcmahon/linuxcnc-mirror,bobvanderlinden/machinekit,bmwiedemann/linuxcnc-mirror,kinsamanka/machinekit,narogon/linuxcnc,unseenlaser/linuxcnc,unseenlaser/machinekit,bmwiedemann/linuxcnc-mirror,araisrobo/linuxcnc,narogon/linuxcnc,unseenlaser/linuxcnc,aschiffler/linuxcnc,ikcalB/linuxcnc-mirror,bmwiedemann/linuxcnc-mirror,cdsteinkuehler/linuxcnc,ikcalB/linuxcnc-mirror,cnc-club/linuxcnc,mhaberler/machinekit,unseenlaser/machinekit,jaguarcat79/ILC-with-LinuxCNC,araisrobo/machinekit,EqAfrica/machinekit,cdsteinkuehler/MachineKit,ArcEye/machinekit-testing,araisrobo/machinekit,strahlex/machinekit,Cid427/machinekit,mhaberler/machinekit,ArcEye/MK-Qt5,araisrobo/machinekit,araisrobo/machinekit,kinsamanka/machinekit,jaguarcat79/ILC-with-LinuxCNC,mhaberler/machinekit,cnc-club/linuxcnc,strahlex/machinekit,cdsteinkuehler/MachineKit,EqAfrica/machinekit,araisrobo/machinekit,cdsteinkuehler/MachineKit,cdsteinkuehler/linuxcnc,bmwiedemann/linuxcnc-mirror,bmwiedemann/linuxcnc-mirror,RunningLight/machinekit,ArcEye/machinekit-testing,unseenlaser/linuxcnc,EqAfrica/machinekit,kinsamanka/machinekit,ArcEye/MK-Qt5,Cid427/machinekit,RunningLight/machinekit,araisrobo/linuxcnc,cnc-club/linuxcnc,ArcEye/machinekit-testing,unseenlaser/linuxcnc,ianmcmahon/linuxcnc-mirror,ArcEye/MK-Qt5,ArcEye/MK-Qt5,bobvanderlinden/machinekit,araisrobo/linuxcnc,ianmcmahon/linuxcnc-mirror,narogon/linuxcnc,ArcEye/machinekit-testing,kinsamanka/machinekit,ikcalB/linuxcnc-mirror,Cid427/machinekit,bmwiedemann/linuxcnc-mirror,ianmcmahon/linuxcnc-mirror,cdsteinkuehler/linuxcnc,ikcalB/linuxcnc-mirror,araisrobo/linuxcnc,jaguarcat79/ILC-with-LinuxCNC,Cid427/machinekit,ArcEye/machinekit-testing,ArcEye/MK-Qt5,cnc-club/linuxcnc