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{ $Header: mf_window.h,v 0.999999 86/01/13 00:43:56 richards Released $ }
{ External procedures for UNIX MetaFont VIRMF for display graphics }
function initscreen: boolean;
external;
procedure updatescreen;
external;
procedure blankrectangle(leftcol, rightcol: screencol; toprow, botrow: screenrow);
external;
procedure paintrow(r: screenrow; b: pixelcolor; var a: transspec; n: screencol);
external;
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