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diff --git a/Source/WebCore/editing/TextAffinity.h b/Source/WebCore/editing/TextAffinity.h
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+/*
+ * Copyright (C) 2004 Apple Computer, Inc.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``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 APPLE COMPUTER, INC. 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. 
+ */
+
+#ifndef TextAffinity_h
+#define TextAffinity_h
+
+#ifdef __OBJC__
+#include <AppKit/NSTextView.h>
+#endif
+
+namespace WebCore {
+
+// These match the AppKit values for these concepts.
+// From NSTextView.h:
+// NSSelectionAffinityUpstream = 0
+// NSSelectionAffinityDownstream = 1
+enum EAffinity { UPSTREAM = 0, DOWNSTREAM = 1 };
+
+} // namespace WebCore
+
+#ifdef __OBJC__
+
+inline NSSelectionAffinity kit(WebCore::EAffinity affinity)
+{
+    return static_cast<NSSelectionAffinity>(affinity);
+}
+
+inline WebCore::EAffinity core(NSSelectionAffinity affinity)
+{
+    return static_cast<WebCore::EAffinity>(affinity);
+}
+
+#endif
+
+#endif // TextAffinity_h