--- a/dwt/internal/Compatibility.d	Mon May 05 00:12:38 2008 +0200
+++ b/dwt/internal/Compatibility.d	Sat May 17 17:34:28 2008 +0200
@@ -14,9 +14,11 @@
 
 /+
 import java.io.*;
+import java.io.File;
 import java.text.MessageFormat;
 import java.util.MissingResourceException;
 import java.util.ResourceBundle;
+import java.util.zip.DeflaterOutputStream;
 import java.util.zip.InflaterInputStream;
 +/
 
@@ -29,6 +31,7 @@
 import Unicode = tango.text.Unicode;
 import tango.sys.Process;
 import dwt.dwthelper.utils;
+import tango.io.Path;
 
 /**
  * This class is a placeholder for utility methods commonly
@@ -109,6 +112,17 @@
 }
 
 /**
+ * Answers whether the indicated file exists or not.
+ *
+ * @param parent the file's parent directory
+ * @param child the file's name
+ * @return true if the file exists
+ */
+public static bool fileExists(String parent, String child) {
+    return FS.exists( FS.join(parent, child));
+}
+
+/**
  * Answers the most positive (i.e. closest to positive infinity)
  * integer value which is less than the number obtained by dividing
  * the first argument p by the second argument q.
@@ -158,6 +172,22 @@
 }
 
 /**
+ * Create an DeflaterOutputStream if such things are supported.
+ *
+ * @param stream the output stream
+ * @return a deflater stream or <code>null</code>
+ * @exception IOException
+ *
+ * @since 3.4
+ */
+public static OutputStream newDeflaterOutputStream(OutputStream stream) {
+    //DWT_TODO
+    implMissing(__FILE__,__LINE__);
+    return null;
+    //return new DeflaterOutputStream(stream);
+}
+
+/**
  * Open a file if such things are supported.
  *
  * @param filename the name of the file to open