diff --git a/compile/interface/DelegatingReporter.scala b/compile/interface/DelegatingReporter.scala
index 67f25873b..1052f3693 100644
--- a/compile/interface/DelegatingReporter.scala
+++ b/compile/interface/DelegatingReporter.scala
@@ -27,6 +27,12 @@ private final class DelegatingReporter(warnFatal: Boolean, private[this] var del
 	override def hasErrors = delegate.hasErrors
 	override def hasWarnings = delegate.hasWarnings
 	def problems = delegate.problems
+	override def comment(pos: Position, msg: String) {
+		delegate match {
+			case ext: xsbti.ExtendedReporter => ext.comment(convert(pos), msg)
+			case _ =>
+		}
+	}
 
 	override def reset =
 	{
@@ -97,4 +103,4 @@ private final class DelegatingReporter(warnFatal: Boolean, private[this] var del
 		import java.lang.{Integer => I}
 	private[this] def o2mi(opt: Option[Int]): Maybe[I] = opt match { case None => Maybe.nothing[I]; case Some(s) => Maybe.just[I](s) }
 	private[this] def o2m[S](opt: Option[S]): Maybe[S] = opt match { case None => Maybe.nothing[S]; case Some(s) => Maybe.just(s) }
-}
\ No newline at end of file
+}
diff --git a/interface/src/main/java/xsbti/ExtendedReporter.java b/interface/src/main/java/xsbti/ExtendedReporter.java
new file mode 100755
index 000000000..7bc4acc47
--- /dev/null
+++ b/interface/src/main/java/xsbti/ExtendedReporter.java
@@ -0,0 +1,10 @@
+/* sbt -- Simple Build Tool
+ * Copyright 2012 Eugene Vigdorchik
+ */
+package xsbti;
+
+/** An addition to standard reporter. Used by the IDE. */
+public interface ExtendedReporter extends Reporter
+{
+	public void comment(Position pos, String msg);
+}