diff -r 44de84112a67 -r 63021e59cbf0 src/Tools/jEdit/src/readme_dockable.scala
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/Tools/jEdit/src/readme_dockable.scala	Tue May 29 16:39:42 2012 +0200
@@ -0,0 +1,24 @@
+/*  Title:      Tools/jEdit/src/readme_dockable.scala
+    Author:     Makarius
+
+Dockable window for README.
+*/
+
+package isabelle.jedit
+
+
+import isabelle._
+
+import org.gjt.sp.jedit.View
+
+
+class README_Dockable(view: View, position: String) extends Dockable(view: View, position: String)
+{
+  private val readme = new HTML_Panel("SansSerif", 14)
+  private val readme_path = Path.explode("$JEDIT_HOME/README.html")
+  readme.render_document(
+    Isabelle_System.platform_file_url(readme_path),
+    Isabelle_System.try_read(List(readme_path)))
+
+  set_content(readme)
+}