fix some QL-for-QL warnings

python/ql/lib/semmle/python/security/BadTagFilterQuery.qll

@@ -7,6 +7,8 @@ import regexp.RegexpMatching
 /**
  * Holds if the regexp `root` should be tested against `str`.
  * Implements the `isRegexpMatchingCandidateSig` signature from `RegexpMatching`.
+ * `ignorePrefix` toggles whether the regular expression should be treated as accepting any prefix if it's unanchored.
+ * `testWithGroups` toggles whether it's tested which groups are filled by a given input string.
  */
 private predicate isBadTagFilterCandidate(
   RootTerm root, string str, boolean ignorePrefix, boolean testWithGroups

python/ql/lib/semmle/python/security/regexp/SuperlinearBackTracking.qll

@@ -267,10 +267,12 @@ int distBackFromEnd(StateTuple r, StateTuple end) =
  * and there is a distance of `dist` from `tuple` to the nearest end-tuple `(pivot, succ, succ)`,
  * and a path from a start-state to `tuple` follows the transitions in `trace`.
  */
-private predicate isReachableFromStartTuple(State pivot, State succ, StateTuple r, Trace w, int rem) {
+private predicate isReachableFromStartTuple(
+  State pivot, State succ, StateTuple tuple, Trace trace, int dist
+) {
   exists(InputSymbol s1, InputSymbol s2, InputSymbol s3, Trace v |
-    isReachableFromStartTuple(pivot, succ, v, s1, s2, s3, r, rem) and
-    w = Step(s1, s2, s3, v)
+    isReachableFromStartTuple(pivot, succ, v, s1, s2, s3, tuple, dist) and
+    trace = Step(s1, s2, s3, v)
   )
 }