add not as a keyword

Author: erik-krogh

ql/ql/src/queries/style/MissingParameterInQlDoc.ql

@@ -42,7 +42,9 @@ private string getAMentionedNonParameter(Predicate p) {
   ) and
   result.regexpMatch("^[a-z]\\w+$") and
   not result.toLowerCase() = getAParameterName(p).toLowerCase() and
-  not result = ["true", "false", "NaN", "this", "forall", "exists", "null", "break", "return"] and // keywords
+  // keywords
+  not result =
+    ["true", "false", "NaN", "this", "forall", "exists", "null", "break", "return", "not"] and
   not result = any(Aggregate a).getKind() and // min, max, sum, count, etc.
   not result = getMentionedThings(p.getLocation().getFile()) and
   // variables inside the predicate are also fine