--- include/internal/catch_approx.cpp.orig	2022-10-16 09:02:17 UTC
+++ include/internal/catch_approx.cpp
@@ -73,10 +73,10 @@ namespace literals {
 } // end namespace Detail
 
 namespace literals {
-    Detail::Approx operator "" _a(long double val) {
+    Detail::Approx operator ""_a(long double val) {
         return Detail::Approx(val);
     }
-    Detail::Approx operator "" _a(unsigned long long val) {
+    Detail::Approx operator ""_a(unsigned long long val) {
         return Detail::Approx(val);
     }
 } // end namespace literals
--- include/internal/catch_approx.h.orig	2022-10-16 09:02:17 UTC
+++ include/internal/catch_approx.h
@@ -118,8 +118,8 @@ namespace literals {
 } // end namespace Detail
 
 namespace literals {
-    Detail::Approx operator "" _a(long double val);
-    Detail::Approx operator "" _a(unsigned long long val);
+    Detail::Approx operator ""_a(long double val);
+    Detail::Approx operator ""_a(unsigned long long val);
 } // end namespace literals
 
 template<>
--- include/internal/catch_stringref.h.orig	2022-10-16 09:02:17 UTC
+++ include/internal/catch_stringref.h
@@ -92,12 +92,12 @@ namespace Catch {
     auto operator << ( std::ostream& os, StringRef const& sr ) -> std::ostream&;
 
 
-    constexpr auto operator "" _sr( char const* rawChars, std::size_t size ) noexcept -> StringRef {
+    constexpr auto operator ""_sr( char const* rawChars, std::size_t size ) noexcept -> StringRef {
         return StringRef( rawChars, size );
     }
 } // namespace Catch
 
-constexpr auto operator "" _catch_sr( char const* rawChars, std::size_t size ) noexcept -> Catch::StringRef {
+constexpr auto operator ""_catch_sr( char const* rawChars, std::size_t size ) noexcept -> Catch::StringRef {
     return Catch::StringRef( rawChars, size );
 }
 
--- projects/SelfTest/IntrospectiveTests/String.tests.cpp.orig	2022-10-16 09:02:17 UTC
+++ projects/SelfTest/IntrospectiveTests/String.tests.cpp
@@ -141,7 +141,7 @@ TEST_CASE("StringRef at compilation time", "[Strings][
         STATIC_REQUIRE(sr1.size() == 3);
         STATIC_REQUIRE(sr1.isNullTerminated());
 
-        using Catch::operator"" _sr;
+        using Catch::operator""_sr;
         constexpr auto sr2 = ""_sr;
         STATIC_REQUIRE(sr2.empty());
         STATIC_REQUIRE(sr2.size() == 0);
--- projects/SelfTest/UsageTests/ToStringVariant.tests.cpp.orig	2022-10-16 09:02:17 UTC
+++ projects/SelfTest/UsageTests/ToStringVariant.tests.cpp
@@ -10,12 +10,12 @@ struct MyType1 {
 struct MyType1 {
     MyType1() = default;
     [[noreturn]] MyType1(MyType1 const&) { throw 1; }
-    MyType1& operator=(MyType1 const&) { throw 3; }
+    [[noreturn]] MyType1& operator=(MyType1 const&) { throw 3; }
 };
 struct MyType2 {
     MyType2() = default;
     [[noreturn]] MyType2(MyType2 const&) { throw 2; }
-    MyType2& operator=(MyType2 const&) { throw 4; }
+    [[noreturn]] MyType2& operator=(MyType2 const&) { throw 4; }
 };
 
 TEST_CASE( "variant<std::monostate>", "[toString][variant][approvals]")