System.Xml.Linq by Mono development team

<PackageReference Include="System.Xml.Linq" Version="3.5.21022.801" />

 System.Xml.Linq 3.5.21022.801

System.Xml.Linq.dll

<package xmlns="http://schemas.microsoft.com/packaging/2011/08/nuspec.xsd">
  <metadata>
    <id>System.Xml.Linq</id>
    <version>3.5.21022.801</version>
    <title>System.Xml.Linq.dll</title>
    <authors>Mono development team</authors>
    <owners>Mono development team</owners>
    <requireLicenseAcceptance>false</requireLicenseAcceptance>
    <description>System.Xml.Linq.dll</description>
    <releaseNotes>mini mono port to enhance .net 2.0</releaseNotes>
    <copyright>Copyright 2016</copyright>
    <dependencies />
  </metadata>
</package>