a new namespace concept again

dev/initdev.h

dev/meta/metafile.c

dev/ppm/ppm.c

dev/ps/postscript.c

dev/ps/postscriptbw.c

dev/sif/sif.c

dev/ugdevices.c

dev/ugdevices.h

dom/std/domains2d.c

dom/std/domains3d.c

dom/std/repair.c

dom/std/std_domain.c

dom/std/std_domain.h

gm/algebra.c

gm/algebra.h

gm/cw.c

gm/cw.h

gm/dlmgr.c

gm/dlmgr.h

gm/dlmgr.t