Query for the text of exactly one child node.
Query for the text of exactly one child node. This will raise an error unless there is exactly one match.
Query for the text of one optional child node.
Query for the text of one optional child node. This will raise an error if there are multiple matches.
Query for exactly one child node.
Query for exactly one child node. This will raise an error unless there is exactly one match.
Query for one optional child node.
Query for one optional child node. This will raise an error if there are multiple matches.
Enhancements to scala.xml.NodeSeq object.