fix doc markup, building error
fix doc markup, building error

This built before 87d6a2d4, but the markup still didn't make much sense.
Try to sort things out.

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