WebApi Help Page: don’t escape HTML in XML documentation

In the installed XmlDocumentationProvider.cs file at Areas\HelpPage, you can look for a method called GetTagValue. Here modify the return value from node.Value.Trim() to node.InnerXml.

private static string GetTagValue(XPathNavigator parentNode, string tagName)
{
    if (parentNode != null)
    {
        XPathNavigator node = parentNode.SelectSingleNode(tagName);
        if (node != null)
        {
            return node.InnerXml; 
        } 
    }

    return null;
}

Now open the installed file Areas\HelpPage\Views\Help\DisplayTemplates\ApiGroup.cshtml and modify the following line from:

<p>@controllerDocumentation</p>

to

<p>@Html.Raw(controllerDocumentation)</p>