+# The unassigned code points that default to "ID" include ranges in the
+# following blocks:
+# CJK Unified Ideographs Extension A: U+3400..U+4DBF
+# CJK Unified Ideographs: U+4E00..U+9FFF
+# CJK Compatibility Ideographs: U+F900..U+FAFF
+# CJK Unified Ideographs Extension B: U+20000..U+2A6DF
+# CJK Unified Ideographs Extension C: U+2A700..U+2B73F
+# CJK Unified Ideographs Extension D: U+2B740..U+2B81F
+# CJK Compatibility Ideographs Supplement: U+2F800..U+2FA1F
+# and any other reserved code points on
+# Planes 2 and 3: U+20000..U+2FFFD
+# U+30000..U+3FFFD