--- ray/src/px/pfilt.c	2018/07/26 23:50:40	2.32
+++ ray/src/px/pfilt.c	2023/12/07 21:15:54	2.35
@@ -1,5 +1,5 @@
 #ifndef lint
-static const char RCSid[] = "$Id: pfilt.c,v 2.32 2018/07/26 23:50:40 greg Exp $";
+static const char RCSid[] = "$Id: pfilt.c,v 2.35 2023/12/07 21:15:54 greg Exp $";
 #endif
 /*
  *  pfilt.c - program to post-process picture file.
@@ -11,17 +11,11 @@ static const char RCSid[] = "$Id: pfilt.c,v 2.32 2018/
 #include  "copyright.h"
 
 #include  <signal.h>
-#include  <string.h>
-
+#include  "pfilt.h"
 #include  "platform.h"
-#include  "standard.h"
-#include  "rtio.h"
-#include  "color.h"
-#include  "view.h"
 #include  "paths.h"
-#include  "pfilt.h"
+#include  "view.h"
 
-
 #define	 FEQ(a,b)	((a) >= .98*(b) && (a) <= 1.02*(b))
 
 double	 CHECKRAD = 2.0;	/* radius to check for filtering */
@@ -348,7 +342,7 @@ headline(				/* process line from header */
 	void	*p
 )
 {
-	char  fmt[32];
+	char  fmt[MAXFMTLEN];
 
 	fputs(s, stdout);		/* copy to output */
 	if (isaspect(s))		/* get aspect ratio */