Get rid of some more cases of backquotes.  parsermodule.c doesn't compile
but looks like that was a problem before this change.
diff --git a/Include/token.h b/Include/token.h
index 4250000..5aedb69 100644
--- a/Include/token.h
+++ b/Include/token.h
@@ -32,7 +32,7 @@
 #define EQUAL		22
 #define DOT		23
 #define PERCENT		24
-#define BACKQUOTE	25
+/* #define BACKQUOTE	25 */
 #define LBRACE		26
 #define RBRACE		27
 #define EQEQUAL		28