PIC — A Graphics Language for Typesetting User Manual†
Brian W. Kernighan · 1991
Pic is a language for drawing simple figures on a typesetter. The basic objects in pic are boxes, circles, ellipses, lines, arrows, arcs, spline curves, and text. These may be placed anywhere, at positions specified absolutely or in terms of previous objects. The example below illustrates the style and basic capabilities of the language. document PIC TBL/EQN (optional) TROFF typesetter This picture was created with the input .PS ellipse "document" arrow box "PIC" arrow box "TBL/EQN" "(optional)" dashed arrow box "TROFF" arrow ellipse "typesetter" .PE Pic is a troff preprocessor; it passes most of its input through untouched, but translates commands between .PS and .PE into troff commands that draw the pictures. Revised, May, 1991 _______________ + This is a revised version of [5]. PIC --- A Graphics Language for Typesetting User Manual+ Brian W. Kernighan AT&T Bell Laboratories Murray Hill, New Jersey 07974 1. Introduction Pic is a language for drawing pictures. It operates as ...