--- src/ps.h.orig	Tue Jan 26 13:58:49 1999
+++ src/ps.h	Tue Jan 26 13:59:06 1999
@@ -40,6 +40,7 @@
 	/* Constants used to store keywords that are scanned. */
 	/* NONE is not a keyword, it tells when a field was not set */
 
+#undef NONE
 enum {ATEND = -1, NONE = 0, PORTRAIT, LANDSCAPE, ASCEND, DESCEND, SPECIAL};
 
 #define PSLINELENGTH 257	/* 255 characters + 1 newline + 1 NULL */