[skip ci] editorial

CMakeLists.txt

@@ -3,7 +3,7 @@
 # Distributed under the Boost Software License, Version 1.0.
 # https://www.boost.org/LICENSE_1_0.txt
 
-cmake_minimum_required(VERSION 3.5...3.20)
+cmake_minimum_required(VERSION 3.8...3.20)
 
 project(boost_unordered VERSION "${BOOST_SUPERPROJECT_VERSION}" LANGUAGES CXX)
 
@@ -18,16 +18,13 @@ target_link_libraries(boost_unordered
     Boost::config
     Boost::container_hash
     Boost::core
-    Boost::move
     Boost::mp11
     Boost::predef
-    Boost::preprocessor
-    Boost::static_assert
     Boost::throw_exception
-    Boost::tuple
-    Boost::type_traits
 )
 
+target_compile_features(boost_unordered INTERFACE cxx_std_11)
+
 if(BUILD_TESTING AND EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/test/CMakeLists.txt")
 
   add_subdirectory(test)

doc/unordered/hash_traits.adoc

@@ -38,7 +38,7 @@ Users can then declare a hash function `Hash` as avalanching either by embedding
 into the definition of `Hash`, or directly by specializing `hash_is_avalanching<Hash>` to a class with
 an embedded compile-time constant `value` set to `true`.
 
-xref:unordered_flat_set[`boost::unordered_flat_set`] and xref:unordered_flat_map[`boost::unordered_flat_map`]
+Open-addressing and concurrent containers
 use the provided hash function `Hash` as-is if `hash_is_avalanching<Hash>::value` is `true`; otherwise, they
 implement a bit-mixing post-processing stage to increase the quality of hashing at the expense of
 extra computational cost.

doc/unordered/structures.adoc

@@ -152,7 +152,7 @@ performing container-wide operations such as swapping or assignment.
 
 By using atomic operations to access the group metadata, lookup is (group-level)
 lock-free up to the point where an actual comparison needs to be done with an element
-that has been previously SIMD-matched: only then it's the group's spinlock used.
+that has been previously SIMD-matched: only then is the group's spinlock used.
 
 Insertion uses the following _optimistic algorithm_:
 

test/CMakeLists.txt

@@ -9,7 +9,7 @@ if(HAVE_BOOST_TEST)
 set(THREADS_PREFER_PTHREAD_FLAG ON)
 find_package(Threads REQUIRED)
 
-set(BOOST_TEST_LINK_LIBRARIES Boost::unordered Boost::core Boost::concept_check)
+set(BOOST_TEST_LINK_LIBRARIES Boost::unordered Boost::core Boost::concept_check Boost::tuple)
 
 function(fca_tests)
   boost_test(PREFIX boost_unordered ${ARGN})