An application of SIP-11 - String interpolation and formatting. This enables XML enables to make XML element using arbitrary XML parser.

XMLStringLiteral.scala

import scala.xml._
object XMLStringLiteral extends App {
  implicit class RichStringContext(self: StringContext) {
    def xml(params: Any*): Elem = {
      val Seq(first, rest@_*) = self.parts
      val source = first + (params, rest).zipped.map{_+_}.mkString
      XML.loadString(source)
    }
  }
  val p = xml"""<person>
    <name>Kota Mizushima</name>
    <age>${27 + 1}</age>
  </person>
  """
  println((p \\ "name").text)
}