ref: b207d3da3c6d3c2a7668ebf89a1cbb0009983661
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