Issue #10459: Update CJK character names to Unicode 5.2.
diff --git a/Modules/unicodedata.c b/Modules/unicodedata.c
index 77f3637..b4af290 100644
--- a/Modules/unicodedata.c
+++ b/Modules/unicodedata.c
@@ -869,8 +869,9 @@
 {
     return (
         (0x3400 <= code && code <= 0x4DB5) || /* CJK Ideograph Extension A */
-        (0x4E00 <= code && code <= 0x9FBB) || /* CJK Ideograph */
-        (0x20000 <= code && code <= 0x2A6D6));/* CJK Ideograph Extension B */
+        (0x4E00 <= code && code <= 0x9FCB) || /* CJK Ideograph, Unicode 5.2 */
+        (0x20000 <= code && code <= 0x2A6D6) || /* CJK Ideograph Extension B */
+        (0x2A700 <= code && code <= 0x2B734));  /* CJK Ideograph Extension C */
 }
 
 static int