[algorithm.syn] Indentation fixes (#5823)

Author: hewillk

source/algorithms.tex

@@ -1108,7 +1108,7 @@
              class Proj1 = identity, class Proj2 = identity,
              @\libconcept{indirect_equivalence_relation}@<projected<iterator_t<R1>, Proj1>,
                                            projected<iterator_t<R2>, Proj2>>
-               Pred = ranges::equal_to>
+                                           Pred = ranges::equal_to>
       constexpr bool is_permutation(R1&& r1, R2&& r2, Pred pred = {},
                                     Proj1 proj1 = {}, Proj2 proj2 = {});
   }
@@ -1267,15 +1267,15 @@
       constexpr auto fold_left_first(R&& r, F f);
 
     template<@\libconcept{bidirectional_iterator}@ I, @\libconcept{sentinel_for}@<I> S, class T,
-      @\exposconcept{indirectly-binary-right-foldable}@<T, I> F>
+             @\exposconcept{indirectly-binary-right-foldable}@<T, I> F>
       constexpr auto fold_right(I first, S last, T init, F f);
 
     template<@\libconcept{bidirectional_range}@ R, class T,
-      @\exposconcept{indirectly-binary-right-foldable}@<T, iterator_t<R>> F>
+             @\exposconcept{indirectly-binary-right-foldable}@<T, iterator_t<R>> F>
       constexpr auto fold_right(R&& r, T init, F f);
 
     template<@\libconcept{bidirectional_iterator}@ I, @\libconcept{sentinel_for}@<I> S,
-      @\exposconcept{indirectly-binary-right-foldable}@<iter_value_t<I>, I> F>
+             @\exposconcept{indirectly-binary-right-foldable}@<iter_value_t<I>, I> F>
       requires @\libconcept{constructible_from}@<iter_value_t<I>, iter_reference_t<I>>
     constexpr auto fold_right_last(I first, S last, F f);
 
@@ -1290,7 +1290,7 @@
       using fold_left_first_with_iter_result = in_value_result<I, T>;
 
     template<@\libconcept{input_iterator}@ I, @\libconcept{sentinel_for}@<I> S, class T,
-       @\exposconcept{indirectly-binary-left-foldable}@<T, I> F>
+             @\exposconcept{indirectly-binary-left-foldable}@<T, I> F>
       constexpr @\seebelow@ fold_left_with_iter(I first, S last, T init, F f);
 
     template<@\libconcept{input_range}@ R, class T, @\exposconcept{indirectly-binary-left-foldable}@<T, iterator_t<R>> F>