Only print that using DOM when actually using DOM
Only print that using DOM when actually using DOM

jonfoster/pyxb2,jonfoster/pyxb-upstream-mirror,pabigot/pyxb,jonfoster/pyxb-upstream-mirror,jonfoster/pyxb2,CantemoInternal/pyxb,jonfoster/pyxb2,CantemoInternal/pyxb,jonfoster/pyxb1,balanced/PyXB,jonfoster/pyxb-upstream-mirror,pabigot/pyxb,balanced/PyXB,CantemoInternal/pyxb,jonfoster/pyxb1,balanced/PyXB