more namespaces stuff

dev/meta/metafile.c

dev/ppm/ppm.c

dev/ps/postscript.c

dev/ps/postscriptbw.c

dev/ugdevices.c

dom/domain.h

dom/std/repair.c

dom/std/std_domain.c

gm/algebra.c

gm/cw.c

gm/elements.c

gm/elements.h

gm/enrol.c

gm/er.c

gm/evalproc.c

gm/evm.c

gm/gg3/gg3d.c

gm/gm.h

gm/gmcheck.c

gm/initgm.c