diff --git a/test/boost_no_cxx20_hdr_bit.ipp b/test/boost_no_cxx20_hdr_bit.ipp
index 59e0cd8d..368762b6 100644
--- a/test/boost_no_cxx20_hdr_bit.ipp
+++ b/test/boost_no_cxx20_hdr_bit.ipp
@@ -14,18 +14,18 @@
 
 namespace boost_no_cxx20_hdr_bit {
 
-	using std::bit_cast;
-	using std::has_single_bit;
-	using std::bit_ceil;
-	using std::bit_floor;
-	using std::bit_width;
-	using std::rotl;
-	using std::rotr;
-	using std::countl_zero;
-	using std::countl_one;
-	using std::countr_zero;
-	using std::countr_one;
-	using std::popcount;
+   using std::bit_cast;
+   using std::has_single_bit;
+   using std::bit_ceil;
+   using std::bit_floor;
+   using std::bit_width;
+   using std::rotl;
+   using std::rotr;
+   using std::countl_zero;
+   using std::countl_one;
+   using std::countr_zero;
+   using std::countr_one;
+   using std::popcount;
 
    int test()
    {
diff --git a/test/boost_no_cxx20_hdr_numbers.ipp b/test/boost_no_cxx20_hdr_numbers.ipp
index 0094c923..ab95751f 100644
--- a/test/boost_no_cxx20_hdr_numbers.ipp
+++ b/test/boost_no_cxx20_hdr_numbers.ipp
@@ -14,7 +14,7 @@
 
 namespace boost_no_cxx20_hdr_numbers {
 
-	using std::numbers::e_v;
+   using std::numbers::e_v;
    using std::numbers::log2e_v;
    using std::numbers::log10e_v;
    using std::numbers::pi_v;
diff --git a/test/boost_no_cxx20_hdr_ranges.ipp b/test/boost_no_cxx20_hdr_ranges.ipp
index 6919f83f..9021a436 100644
--- a/test/boost_no_cxx20_hdr_ranges.ipp
+++ b/test/boost_no_cxx20_hdr_ranges.ipp
@@ -14,83 +14,83 @@
 
 namespace boost_no_cxx20_hdr_ranges {
 
-	using std::ranges::range;
-	using std::ranges::borrowed_range;
-	using std::ranges::sized_range;
-	using std::ranges::view;
-	using std::ranges::input_range;
-	using std::ranges::output_range;
-	using std::ranges::forward_range;
-	using std::ranges::bidirectional_range;
-	using std::ranges::random_access_range;
-	using std::ranges::contiguous_range;
-	using std::ranges::common_range;
-	using std::ranges::viewable_range;
+   using std::ranges::range;
+   using std::ranges::borrowed_range;
+   using std::ranges::sized_range;
+   using std::ranges::view;
+   using std::ranges::input_range;
+   using std::ranges::output_range;
+   using std::ranges::forward_range;
+   using std::ranges::bidirectional_range;
+   using std::ranges::random_access_range;
+   using std::ranges::contiguous_range;
+   using std::ranges::common_range;
+   using std::ranges::viewable_range;
 
-	using std::ranges::iterator_t;
-	using std::ranges::sentinel_t;
-	using std::ranges::range_difference_t;
-	using std::ranges::range_size_t;
-	using std::ranges::range_value_t;
-	using std::ranges::range_reference_t;
-	using std::ranges::range_rvalue_reference_t;
-	using std::ranges::view_interface;
-	using std::ranges::subrange;
-	using std::ranges::dangling;
-	using std::ranges::borrowed_iterator_t;
-	using std::ranges::borrowed_subrange_t;
-	using std::ranges::empty_view;
-	using std::views::empty;
-	using std::ranges::single_view;
-	using std::views::single;
-	using std::ranges::iota_view;
-	using std::views::iota;
-	using std::ranges::basic_istream_view;
-	using std::ranges::istream_view;
-	using std::views::all_t;
-	using std::views::all;
-	using std::ranges::ref_view;
-	using std::ranges::filter_view;
-	using std::views::filter;
-	using std::ranges::transform_view;
-	using std::views::transform;
-	using std::ranges::take_view;
-	using std::views::take;
-	using std::ranges::take_while_view;
-	using std::views::take_while;
-	using std::ranges::drop_view;
-	using std::views::drop;
-	using std::ranges::drop_while_view;
-	using std::views::drop_while;
-	using std::ranges::join_view;
-	using std::views::join;
-	using std::ranges::split_view;
-	using std::views::split;
-	using std::views::counted;
-	using std::ranges::common_view;
-	using std::views::common;
-	using std::ranges::reverse_view;
-	using std::views::reverse;
-	using std::ranges::elements_view;
-	using std::views::elements;
-	using std::ranges::keys_view;
-	using std::views::keys;
-	using std::ranges::values_view;
-	using std::views::values;
-	using std::ranges::begin;
-	using std::ranges::end;
-	using std::ranges::cbegin;
-	using std::ranges::cend;
-	using std::ranges::rbegin;
-	using std::ranges::rend;
-	using std::ranges::crbegin;
-	using std::ranges::crend;
-	using std::ranges::size;
-	using std::ranges::ssize;
-	using std::ranges::empty;
-	using std::ranges::data;
-	using std::ranges::cdata;
-	using std::ranges::subrange_kind;
+   using std::ranges::iterator_t;
+   using std::ranges::sentinel_t;
+   using std::ranges::range_difference_t;
+   using std::ranges::range_size_t;
+   using std::ranges::range_value_t;
+   using std::ranges::range_reference_t;
+   using std::ranges::range_rvalue_reference_t;
+   using std::ranges::view_interface;
+   using std::ranges::subrange;
+   using std::ranges::dangling;
+   using std::ranges::borrowed_iterator_t;
+   using std::ranges::borrowed_subrange_t;
+   using std::ranges::empty_view;
+   using std::views::empty;
+   using std::ranges::single_view;
+   using std::views::single;
+   using std::ranges::iota_view;
+   using std::views::iota;
+   using std::ranges::basic_istream_view;
+   using std::ranges::istream_view;
+   using std::views::all_t;
+   using std::views::all;
+   using std::ranges::ref_view;
+   using std::ranges::filter_view;
+   using std::views::filter;
+   using std::ranges::transform_view;
+   using std::views::transform;
+   using std::ranges::take_view;
+   using std::views::take;
+   using std::ranges::take_while_view;
+   using std::views::take_while;
+   using std::ranges::drop_view;
+   using std::views::drop;
+   using std::ranges::drop_while_view;
+   using std::views::drop_while;
+   using std::ranges::join_view;
+   using std::views::join;
+   using std::ranges::split_view;
+   using std::views::split;
+   using std::views::counted;
+   using std::ranges::common_view;
+   using std::views::common;
+   using std::ranges::reverse_view;
+   using std::views::reverse;
+   using std::ranges::elements_view;
+   using std::views::elements;
+   using std::ranges::keys_view;
+   using std::views::keys;
+   using std::ranges::values_view;
+   using std::views::values;
+   using std::ranges::begin;
+   using std::ranges::end;
+   using std::ranges::cbegin;
+   using std::ranges::cend;
+   using std::ranges::rbegin;
+   using std::ranges::rend;
+   using std::ranges::crbegin;
+   using std::ranges::crend;
+   using std::ranges::size;
+   using std::ranges::ssize;
+   using std::ranges::empty;
+   using std::ranges::data;
+   using std::ranges::cdata;
+   using std::ranges::subrange_kind;
 
 
    int test()