1 files changed, 9 insertions, 0 deletions
diff --git a/src/iso646/not.c b/src/iso646/not.c
index f0baeb04..4e7e4fe3 100644
--- a/src/iso646/not.c
+++ b/src/iso646/not.c
@@ -1,6 +1,15 @@
 #include <iso646.h>
+
+/** alternative spelling for ! **/
+
 #define not                                                                    !
 
+/***
+provides an alternative means of specifying the unary logical-NOT operator
+(OPERATOR(!)).
+***/
+
 /*
+VALUE_FIXED(OPERATOR(!))
 STDC(199409)
 */