diff --git a/src/main/scala/net/kogics/kojo/lite/CoreBuiltins.scala b/src/main/scala/net/kogics/kojo/lite/CoreBuiltins.scala
index daae8a3a..e1ecea1e 100644
--- a/src/main/scala/net/kogics/kojo/lite/CoreBuiltins.scala
+++ b/src/main/scala/net/kogics/kojo/lite/CoreBuiltins.scala
@@ -160,6 +160,7 @@ trait CoreBuiltins extends Rationals {
   val BatchPics = picture.BatchPics
   val trans = picture.trans _
   val rot = picture.rot _
+  def id = picture.trans(0, 0)
   def scale(f: Double) = picture.scale(f)
   def scale(x: Double, y: Double) = picture.scale(x, y)
   def draw(pictures: Picture*) = pictures.foreach { _ draw () }
diff --git a/src/main/scala/net/kogics/kojo/lite/Versions.scala b/src/main/scala/net/kogics/kojo/lite/Versions.scala
index 7fd5808d..7dc2f245 100644
--- a/src/main/scala/net/kogics/kojo/lite/Versions.scala
+++ b/src/main/scala/net/kogics/kojo/lite/Versions.scala
@@ -3,8 +3,8 @@ package net.kogics.kojo.lite
 object Versions {
   val KojoMajorVersion = "2.7"
   val KojoVersion = "2.7.08"
-  val KojoRevision = "r14"
-  val KojoBuildDate = "23 October 2019"
+  val KojoRevision = "r15"
+  val KojoBuildDate = "24 October 2019"
   val JavaVersion = {
     val jrv = System.getProperty("java.runtime.version")
     val arch = System.getProperty("os.arch")