Yrangepos error

build.sbt

scalaVersion in ThisBuild := "2.11.1"

scalacOptions in ThisBuild += "-Yrangepos"

libraryDependencies in ThisBuild += "org.scala-lang" % "scala-reflect" % "2.11.1"

lazy val root = project.aggregate(client, macro)

lazy val macro = project

lazy val client = project.dependsOn(macro)

Client.scala

// Place in client subdirectory
import Macro._

object Main extends App {

  mymacro {
    println("Printed range")
    println("Should span several characters, but does not :(")
  }

}

Macro.scala

// Place in macro subdirectory
import scala.language.experimental.macros
import scala.reflect.macros.blackbox.Context

object Macro {

  def macroImpl(c: Context)(body : c.Expr[Unit]) : c.Expr[Unit] = {
    import c.universe._
    val p = body.tree.pos
    val str = s"Line: ${p.line}. Character range: ${p.start} --- ${p.end}"
    val loc = c.Expr[String](Literal(Constant(str)))
    reify {
      println(loc.splice)
      body.splice
    }
  }

  def mymacro(body : Unit) : Unit = macro macroImpl

}