public bool IsBlockElement()
{
if (_isBlockElement == TriState.Undefined)
{
_isBlockElement = this.NodeType == XmlNodeType.Element &&
!InlineElements.Contains(GetNamespaceName())
? TriState.True : TriState.False;;
}
return(_isBlockElement == TriState.True);
}
// In reality this algoritm is significantly more complex private static bool ShouldTrimTextContent(IElement element) => !InlineElements.Contains(element.TagName);