diff --git a/LICENSE b/LICENSE
--- a/LICENSE
+++ b/LICENSE
@@ -2,27 +2,30 @@
 Copyright © 2011–2014 Wolfgang Jeltsch
 All rights reserved.
 
-Redistribution and use in source and binary forms, with or without modification,
-are permitted provided that the following conditions are met:
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are
+met:
 
-    • Redistributions of source code must retain the above copyright notice,
-      this list of conditions and the following disclaimer.
+    • Redistributions of source code must retain the above copyright
+      notice, this list of conditions and the following disclaimer.
 
-    • Redistributions in binary form must reproduce the above copyright notice,
-      this list of conditions and the following disclaimer in the documentation
-      and/or other materials provided with the distribution.
+    • Redistributions in binary form must reproduce the above copyright
+      notice, this list of conditions and the following disclaimer in
+      the documentation and/or other materials provided with the
+      distribution.
 
     • Neither the name of the copyright holders nor the names of the
-      contributors may be used to endorse or promote products derived from this
-      software without specific prior written permission.
+      contributors may be used to endorse or promote products derived
+      from this software without specific prior written permission.
 
-THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS “AS IS” AND
-ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
-WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
-DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE
-FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
-DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
-SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
-CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
-TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
-THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS “AS
+IS” AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
+TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
diff --git a/grapefruit-examples.cabal b/grapefruit-examples.cabal
--- a/grapefruit-examples.cabal
+++ b/grapefruit-examples.cabal
@@ -1,5 +1,5 @@
 Name:          grapefruit-examples
-Version:       0.1.0.5
+Version:       0.1.0.6
 Cabal-Version: >= 1.8
 Build-Type:    Simple
 License:       BSD3
@@ -7,10 +7,10 @@
 Copyright:     © 2007–2009 Brandenburgische Technische Universität Cottbus
                © 2011–2014 Wolfgang Jeltsch
 Author:        Wolfgang Jeltsch
-Maintainer:    wolfgang@cs.ioc.ee
+Maintainer:    wolfgang-it@jeltsch.info
 Stability:     provisional
-Homepage:      http://grapefruit-project.org/
-Package-URL:   http://hackage.haskell.org/packages/archive/grapefruit-examples/0.1.0.5/grapefruit-examples-0.1.0.5.tar.gz
+Homepage:      https://grapefruit-project.org/
+Package-URL:   https://hackage.haskell.org/package/grapefruit-examples-0.1.0.6/grapefruit-examples-0.1.0.6.tar.gz
 Synopsis:      Examples using the Grapefruit library
 Description:   Grapefruit is a library for Functional Reactive Programming (FRP)
                with a focus on user interfaces. FRP makes it possible to
@@ -36,12 +36,16 @@
                @Converter@, @ListView@, and @SetView@, and the only UI backend
                is @GTK@.
 Category:      FRP, Reactivity, GUI, User Interfaces
-Tested-With:   GHC == 7.6.3
+Tested-With:   GHC == 8.0.1
 
+Source-Repository head
+    Type:     darcs
+    Location: http://hub.darcs.net/jeltsch/grapefruit
+
 Source-Repository this
     Type:     darcs
-    Location: http://darcs.grapefruit-project.org/monolithic/0.1
-    Tag:      grapefruit-0.1.0.5
+    Location: http://hub.darcs.net/jeltsch/grapefruit
+    Tag:      grapefruit-0.1.0.6
 
 Library
     Build-Depends:   base               >= 3.0   && < 5,
@@ -52,7 +56,6 @@
                      grapefruit-records >= 0.1   && < 0.2,
                      grapefruit-ui      >= 0.1   && < 0.2
     Extensions:      Arrows
-                     ImpredicativeTypes
                      Rank2Types
                      TypeOperators
     Exposed-Modules: Examples.Grapefruit.Converter