Merge pull request #55 from Lombiq/issue/OSOE-49

OSOE-49: Enforce Windows newlines for C# files to avoid false positives with IDE0055 warning.

.gitattributes

@@ -1 +1,5 @@
 * text=auto
+
+# Enforce Windows newlines for C# files to avoid false positives with IDE0055 warning.
+# See https://github.com/Lombiq/Open-Source-Orchard-Core-Extensions/issues/106 for more information.
+*.cs text eol=crlf

Build.props

@@ -27,20 +27,24 @@
   <Import Project="$(MSBuildThisFileDirectory)CommonPackages.props" />
 
   <ItemGroup>
-    <!-- Fixing the <"error CS8032: An instance of analyzer Microsoft.CodeAnalysis.[...]Analyzer cannot be created from
+    <!-- Note: This is fixed as of SDK version 6.0.202. If you need to build the solution on a system with an older SDK
+         version, please uncomment the PackageReferences below. Leave this commented out unless you are certain you need
+         it, because it is a risky workaround as it makes us use the compiler from NuGet instead of the SDK, which is
+         unexpected and discouraged according to Microsoft.Net.Compilers.Toolset's Readme too.
+         Fixing the <"error CS8032: An instance of analyzer Microsoft.CodeAnalysis.[...]Analyzer cannot be created from
          [...]\.nuget\packages\microsoft.codeanalysis.csharp.codestyle\4.1.0\analyzers\dotnet\cs\Microsoft.CodeAnalysis.CSharp.CodeStyle.dll:
          Could not load file or assembly 'Microsoft.CodeAnalysis, Version=4.1.0.0, Culture=neutral,
          PublicKeyToken=31bf3856ad364e35' or one of its dependencies. The system cannot find the file specified.."> by
          adding "Microsoft.CodeAnalysis" AND "Microsoft.Net.Compilers" manually; see:
-         https://docs.microsoft.com/en-us/answers/questions/244179/microsoftcodeanalysis-problem.html -->
+         https://docs.microsoft.com/en-us/answers/questions/244179/microsoftcodeanalysis-problem.html
     <PackageReference Include="Microsoft.CodeAnalysis.Compilers" Version="4.1.0">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers;</IncludeAssets>
     </PackageReference>
     <PackageReference Include="Microsoft.Net.Compilers.Toolset" Version="4.1.0">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers;</IncludeAssets>
-    </PackageReference>
+    </PackageReference>  -->
   </ItemGroup>
 
   <!-- Packages only for .NET Core and later. -->