Fix broken doc build; create new section

Author: mclow

doc/algorithm.qbk

@@ -121,6 +121,35 @@ Transform each element in a range then combine adjacent elements to create an ou
 [endsect:CXX17]
 
 
+[section:Copy Variations on Copy]
+[section:variations_on_copy]
+
+[section:copy_until                copy_until                ]
+[*[^[link header.boost.algorithm.cxx11.copy_if_hpp                   copy_until]                  ] ]
+Copy all the elements from the start of the input range to the output range until the predicate is satisfied
+[endsect:copy_until]
+
+[section:copy_while                copy_while                ]
+[*[^[link header.boost.algorithm.cxx11.copy_if_hpp                   copy_while]                  ] ]
+Copy all the elements from the start of the input range to the output range while the predicate is satisfied
+[endsect:copy_while]
+
+[section:copy_if_until             copy_if_until             ]
+[*[^[link header.boost.algorithm.cxx11.copy_if_hpp                   copy_if_until                ] ]
+Copy all elements that satisfy the element predicate from the start of the input range to the output range until the termination predicate is satisfied
+
+[endsect:copy_if_until]
+
+[section:copy_if_while             copy_if_while             ]
+[*[^[link header.boost.algorithm.cxx11.copy_if_hpp                   copy_if_while                ] ]
+Copy all elements that satisfy the element predicate from the start of the input range to the output range while the termination predicate is satisfied
+
+[endsect:copy_if_while]
+
+[endsect:variations_on_copy]
+[endsect:Copy]
+
+
 [section:Misc Other Algorithms]
 
 [section:misc_inner_algorithms]
@@ -214,26 +243,6 @@ See below
 
 [include apply_permutation.qbk]
 
-[section:copy_until                copy_until                ]
-[*[^[link header.boost.algorithm.cxx11.copy_if_hpp                   copy_until]                  ] ]
-Copy all the elements from the start of the input range to the output range until the predicate is satisfied
-[endsect:copy_until]
-
-[section:copy_while                copy_while                ]
-[*[^[link header.boost.algorithm.cxx11.copy_if_hpp                   copy_while]                  ] ]
-Copy all the elements from the start of the input range to the output range while the predicate is satisfied
-[endsect:copy_while]
-
-[section:copy_if_until             copy_if_until             ]
-[*[^[link header.boost.algorithm.cxx11.copy_if_hpp                   copy_if_until                ] ]
-Copy all elements that satisfy the element predicate from the start of the input range to the output range until the termination predicate is satisfied
-[endsect:copy_if_until]
-
-[section:copy_if_while             copy_if_while             ]
-[*[^[link header.boost.algorithm.cxx11.copy_if_hpp                   copy_if_while                ] ]
-Copy all elements that satisfy the element predicate from the start of the input range to the output range while the termination predicate is satisfied
-[endsect:copy_if_while]
-
 [section:iota_n                    iota_n                    ]
 [*[^[link boost.algorithm.iota_n                                     iota_n]                      ] ]
 Write a sequence of n increasing values to an output iterator