Index: src/rc2lng/rc2lng.vc140.vcxproj
===================================================================
diff -u -N -ra6edbb76cfeb7457b978aa6acc06ca6242fee1bb -red23794efb8acefdb3af5ab47c4be1bbde34cd90
--- src/rc2lng/rc2lng.vc140.vcxproj	(.../rc2lng.vc140.vcxproj)	(revision a6edbb76cfeb7457b978aa6acc06ca6242fee1bb)
+++ src/rc2lng/rc2lng.vc140.vcxproj	(.../rc2lng.vc140.vcxproj)	(revision ed23794efb8acefdb3af5ab47c4be1bbde34cd90)
@@ -124,6 +124,7 @@
       <WarningLevel>Level4</WarningLevel>
       <TreatWarningAsError>true</TreatWarningAsError>
       <SDLCheck>true</SDLCheck>
+      <LanguageStandard>stdcpp17</LanguageStandard>
     </ClCompile>
     <ResourceCompile>
       <PreprocessorDefinitions>NDEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
@@ -154,6 +155,7 @@
       <WarningLevel>Level4</WarningLevel>
       <TreatWarningAsError>true</TreatWarningAsError>
       <SDLCheck>true</SDLCheck>
+      <LanguageStandard>stdcpp17</LanguageStandard>
     </ClCompile>
     <ResourceCompile>
       <PreprocessorDefinitions>NDEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
@@ -182,6 +184,7 @@
       <TreatWarningAsError>true</TreatWarningAsError>
       <DebugInformationFormat>ProgramDatabase</DebugInformationFormat>
       <SDLCheck>true</SDLCheck>
+      <LanguageStandard>stdcpp17</LanguageStandard>
     </ClCompile>
     <ResourceCompile>
       <PreprocessorDefinitions>_DEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
@@ -211,6 +214,7 @@
       <TreatWarningAsError>true</TreatWarningAsError>
       <DebugInformationFormat>ProgramDatabase</DebugInformationFormat>
       <SDLCheck>true</SDLCheck>
+      <LanguageStandard>stdcpp17</LanguageStandard>
     </ClCompile>
     <ResourceCompile>
       <PreprocessorDefinitions>_DEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>