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-rw-r--r--src/sys/include/np/lex.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/sys/include/np/lex.h b/src/sys/include/np/lex.h
index 9c6e69e..cbbc403 100644
--- a/src/sys/include/np/lex.h
+++ b/src/sys/include/np/lex.h
@@ -47,6 +47,9 @@ struct np_work;
* possible
*/
typedef enum {
+ /* Reserved */
+ TT_NONE, /* Always invalid */
+
/* Symbols */
TT_LPAREN, /* '(' */
TT_RPAREN, /* ')' */