ref: aed5649a31a57b391bfe1f5cb44e0b0c42c8cea0
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