ref: 5e71f30fd31f4a5920354dddcd492e9601b09b65
dir: /sys/src/cmd/postscript/tests/postplot1/
s��mtstarts at the lower left corner m�tshould start just above the upper left corner fsolid mddnd�fdotted n��p��fshortdashed c���p��flongdashed c���fdotdashed a� � ����funknown l����mn�n��n�nm��ttop of the big circle