diff --git a/xtandard.h b/xtandard.h
index 9647d86..4c6bb98 100644
--- a/xtandard.h
+++ b/xtandard.h
@@ -13,6 +13,11 @@ It is distributed in the hope that it will be useful or harmful, it really depen
 #include <unistd.h>
 #include <fcntl.h>
 
+#define SIGNAL_CONTROL   (0X100)
+#define SIGNAL_SHIFT     (0X200)
+#define SIGNAL_ALTERNATE (0X400)
+#define SIGNAL_SYSTEM    (0X800)
+
 enum {
 	LOG_SUCCESS,        LOG_WARNING,        LOG_FAILURE,        LOG_COMMENT,
 	LOG_COUNT
@@ -26,7 +31,7 @@ enum {
 };
 
 enum {
-	EFFECT_NORMAL,      EFFECT_BOLD,        EFFECT_DARK,        EFFECT_ITALIC,      EFFECT_UNDERLINE,   EFFECT_BLINK,       EFFECT_UNDEFINED,   EFFECT_REVERSE,
+	EFFECT_NORMAL,      EFFECT_BOLD,        EFFECT_ITALIC,      EFFECT_UNDERLINE,   EFFECT_BLINK,       EFFECT_REVERSE,
 	EFFECT_COUNT
 };
 
@@ -42,8 +47,9 @@ enum {
 	SIGNAL_I,           SIGNAL_J,           SIGNAL_K,           SIGNAL_L,           SIGNAL_M,           SIGNAL_N,           SIGNAL_O,           SIGNAL_P,
 	SIGNAL_Q,           SIGNAL_R,           SIGNAL_S,           SIGNAL_T,           SIGNAL_U,           SIGNAL_V,           SIGNAL_W,           SIGNAL_X,
 	SIGNAL_Y,           SIGNAL_Z,           SIGNAL_0,           SIGNAL_1,           SIGNAL_2,           SIGNAL_3,           SIGNAL_4,           SIGNAL_5,
-	SIGNAL_6,           SIGNAL_7,           SIGNAL_8,           SIGNAL_9,           SIGNAL_SPACEBAR,    SIGNAL_TABULATOR,   SIGNAL_RETURN,      SIGNAL_NEW_LINE,
-	SIGNAL_SLASH,       SIGNAL_BACKSLASH,   SIGNAL_QUOTE,       SIGNAL_BACKQUOTE,   SIGNAL_BACKSPACE,   SIGNAL_ESCAPE,      SIGNAL_CONTROL,     SIGNAL_SHIFT,
+	SIGNAL_6,           SIGNAL_7,           SIGNAL_8,           SIGNAL_9,           SIGNAL_ESCAPE,      SIGNAL_TABULATOR,   SIGNAL_RETURN,      SIGNAL_NEW_LINE,
+	SIGNAL_SLASH,       SIGNAL_BACKSLASH,   SIGNAL_QUOTE,       SIGNAL_BACKQUOTE,   SIGNAL_SPACE,       SIGNAL_BACKSPACE,   SIGNAL_DOT,         SIGNAL_COMMA,
+	SIGNAL_CITE,        SIGNAL_CAPS_LOCK,   SIGNAL_L_BRACKET,   SIGNAL_R_BRACKET,   SIGNAL_MINUS,       SIGNAL_EQUAL,
 	SIGNAL_COUNT
 };