private static IEnumerable <XElement> Reveal_ByAttributes(XElement e, XAttribute a)
{
if (a == null)
{
yield return(e);
}
else
{
var vals = a.GetMultiAttributeValues();
foreach (var v in vals)
{
a.Value = v;
var new_e = new XElement(e.Name, e.Attributes());
var before_text_nodes = e.Nodes().TakeWhile(n => n.NodeType == XmlNodeType.Text);
new_e.Add(before_text_nodes);
var next_a = (a.NextAttribute != null) ? new_e.Attribute(a.NextAttribute.Name) : null;
foreach (var _e in Reveal_ByAttributes(new_e, next_a))
{
yield return(_e);
}
}
}
}
