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--- hpgl.c.orig Thu Jul 17 03:40:40 1997
+++ hpgl.c  Fri Dec 10 03:07:38 1999
@@ -11,10 +11,8 @@
 #include "xgout.h"
 #include "plotter.h"
 #include <stdio.h>
+#include <stdlib.h>
 #include <math.h>
-#define MAX(a,b) ( ((a)>(b)) ? (a) : (b) )
-#define MIN(a,b) ( ((a)<(b)) ? (a) : (b) )
-char *malloc();
 
 static void hpglText();
 static void hpglSeg();