AngleSharp by Florian Rappl

<PackageReference Include="AngleSharp" Version="0.9.1" />

.NET API 1,208,832 bytes

 XmlParserOptions

public struct XmlParserOptions
Contains a number of options for the XML parser.
public bool IsSuppressingErrors { get; set; }

Gets or sets if errors should be surpressed. This way the document will be parsed for sure, but may look weird.