Update documentation

doc/mp11/algorithm.adoc

@@ -235,6 +235,8 @@ otherwise.
 
 `mp_repeat_c<L, N>` returns a list of the same form as `L` that consists of `N` concatenated copies of `L`.
 
+Supports value lists as `L` under {cpp}17.
+
 .Using mp_repeat_c
 ```
 using L1 = tuple<int>;
@@ -248,6 +250,9 @@ using R3 = mp_repeat_c<L3, 2>; // mp_list<int, float, int, float>
 
 using L4 = mp_list<int, float, double>;
 using R4 = mp_repeat_c<L4, 0>; // mp_list<>
+
+using L5 = mp_list_v<true, 8>;
+using R5 = mp_repeat_c<L5, 2>; // mp_list_v<true, 8, true, 8>
 ```
 
 ## mp_repeat<L, N>
@@ -256,6 +261,8 @@ using R4 = mp_repeat_c<L4, 0>; // mp_list<>
 
 Same as `mp_repeat_c` but with a type argument `N`. The number of copies is `N::value` and must be nonnegative.
 
+Supports value lists as `L` under {cpp}17.
+
 ## mp_product<F, L...>
 
     template<template<class...> class F, class... L> using mp_product = /*...*/;