diff --git a/curry-frontend.cabal b/curry-frontend.cabal
--- a/curry-frontend.cabal
+++ b/curry-frontend.cabal
@@ -1,5 +1,5 @@
 Name:          curry-frontend
-Version:       0.2.3
+Version:       0.2.4
 Cabal-Version: >= 1.6
 Synopsis:      Compile the functional logic language Curry to several intermediate formats
 Description:   The Curry Frontend consists of the executable program "cymake".
@@ -25,7 +25,7 @@
 Executable cymake
   hs-source-dirs:   src
   Main-is:          cymake.hs
-  Build-Depends:    base >= 3 && < 4, curry-base == 0.2.2, mtl, old-time, containers, pretty
+  Build-Depends:    base >= 3 && < 4, curry-base >= 0.2.2, mtl, old-time, containers, pretty
   ghc-options:      -fwarn-unused-binds -fwarn-unused-imports  -auto-all 
   Other-Modules:    Curry.Syntax.Lexer, Curry.Syntax.LexComb
                     Curry.Syntax.Parser, Curry.Syntax.LLParseComb
diff --git a/src/Base.lhs b/src/Base.lhs
--- a/src/Base.lhs
+++ b/src/Base.lhs
@@ -8,10 +8,10 @@
 \nwfilename{Base.lhs}
 \section{Common Definitions for the Compiler}
 
-The module \texttt{Base} implements the anti-pattern 'God-object'.
-By providing common definitions for the various phases of the
+The module Base implements the anti-pattern 'God-object'.
+By providing definitions for various unrelated phases of the
 compiler, it irrevocably turns the module structure into spaghetti.
-(hsi)
+(hsi, 2009)
 
 \begin{verbatim}
 
diff --git a/src/Curry/Syntax.hs b/src/Curry/Syntax.hs
--- a/src/Curry/Syntax.hs
+++ b/src/Curry/Syntax.hs
@@ -1,3 +1,10 @@
+{-
+  A simple interface for reading and manipulating Curry
+  source code.
+
+  (c) 2009, Holger Siegel.
+-}
+
 module Curry.Syntax(module Curry.Syntax.Type,
                    parseModule, parseHeader
                    ) where
diff --git a/src/Curry/Syntax/Unlit.hs b/src/Curry/Syntax/Unlit.hs
--- a/src/Curry/Syntax/Unlit.hs
+++ b/src/Curry/Syntax/Unlit.hs
@@ -6,6 +6,10 @@
   literate programs, Curry requires at least one program line to be
   present in the file. In addition, every block of program code must be
   preceded by a blank line and followed by a blank line.
+
+  This module has been rewritten by Holger Siegel in 2009.
+
+  (c) Holger Siegel, 2009.
 -}