first commit

hrmsEjb/jxl/write/DateFormat.java

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+package jxl.write;
+
+import java.text.SimpleDateFormat;
+import jxl.biff.DisplayFormat;
+import jxl.write.biff.DateFormatRecord;
+
+public class DateFormat extends DateFormatRecord implements DisplayFormat {
+  public DateFormat(String format) {
+    super(format);
+    SimpleDateFormat df = new SimpleDateFormat(format);
+  }
+}