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-rw-r--r--filter/filter.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/filter/filter.h b/filter/filter.h
index 8645059..e86aa02 100644
--- a/filter/filter.h
+++ b/filter/filter.h
@@ -99,7 +99,7 @@ void val_print(struct f_val v);
/* User visible types, which fit in int */
#define T_INT 0x10
#define T_BOOL 0x11
-#define T_PAIR 0x12
+#define T_PAIR 0x12 /* Notice that pair is stored as integer: first << 16 | second */
/* Put enumerational types in 0x30..0x3f range */
#define T_ENUM_LO 0x30