updated for version 7.3.293
Problem:    MSVC compiler has a problem with non-ASCII characters.
Solution:   Avoid non-ASCII characters. (Hong Xu)
diff --git a/src/ascii.h b/src/ascii.h
index 5256fc3..e824822 100644
--- a/src/ascii.h
+++ b/src/ascii.h
@@ -123,7 +123,7 @@
 #define DCS		0x90	/* Device Control String */
 #define STERM		0x9c	/* String Terminator */
 
-#define POUND		'£'
+#define POUND		'\xA3'
 
 #define CTRL_F_STR	"\056"
 #define CTRL_H_STR	"\026"