Merge pull request #9 from launchdarkly/eb/ch123512/validate-doc-comments

make build fail if XML comments are missing or invalid

Author: eli-darkly

src/LaunchDarkly.Logging/LaunchDarkly.Logging.csproj

@@ -16,6 +16,9 @@
     <PublishRepositoryUrl>true</PublishRepositoryUrl>
     <IncludeSymbols>true</IncludeSymbols>
     <SymbolPackageFormat>snupkg</SymbolPackageFormat>
+
+    <!-- fail if XML comments are missing or invalid -->
+    <WarningsAsErrors>1570,1571,1572,1573,1574,1580,1581,1584,1591,1710,1711,1712</WarningsAsErrors>
   </PropertyGroup>
 
   <ItemGroup Condition=" '$(TargetFramework)' == 'netcoreapp2.1' ">