AngleSharp by Florian Rappl

<PackageReference Include="AngleSharp" Version="0.8.4" />

.NET API 1,229,312 bytes

 HtmlModElement

sealed class HtmlModElement : HtmlElement, IHtmlModElement, IHtmlElement, IElement, INode, IEventTarget, IMarkupFormattable, IParentNode, IChildNode, INonDocumentTypeChildNode, IElementCssInlineStyle
Represents the HTML modifier (ins / del) element.
public string Citation { get; set; }

Gets or sets the value that contains a URI of a resource explaining the change.

public string DateTime { get; set; }

Gets or sets the value that contains date-and-time string representing a timestamp for the change.

public HtmlModElement(Document owner)

public HtmlModElement(Document owner, string name, string prefix = null)