Add Variation_Selector support from PropList.txt.

src/include/ucd/ucd.h

 	UCD_PROPERTY_OTHER_ID_START                     = 0x0000000004000000ull, /**< @brief Other_ID_Start */
 	UCD_PROPERTY_OTHER_ID_CONTINUE                  = 0x0000000008000000ull, /**< @brief Other_ID_Continue */
 	UCD_PROPERTY_SENTENCE_TERMINAL                  = 0x0000000010000000ull, /**< @brief Sentence_Terminal */
+	UCD_PROPERTY_VARIATION_SELECTOR                 = 0x0000000020000000ull, /**< @brief Variation_Selector */
 };
 
 /** @brief Return the properties of the specified codepoint.
 		Other_ID_Start = UCD_PROPERTY_OTHER_ID_START, /**< @brief Other_ID_Start */
 		Other_ID_Continue = UCD_PROPERTY_OTHER_ID_CONTINUE, /**< @brief Other_ID_Continue */
 		Sentence_Terminal = UCD_PROPERTY_SENTENCE_TERMINAL, /**< @brief Sentence_Terminal */
+		Variation_Selector = UCD_PROPERTY_VARIATION_SELECTOR, /**< @brief Variation_Selector */
 	};
 
 	/** @brief Return the properties of the specified codepoint.

src/proplist.c

 		if (c == 0x17DD)                return UCD_PROPERTY_DIACRITIC;
 		break;
 	case 0x1800:
+		if (c >= 0x180B && c <= 0x180D) return UCD_PROPERTY_VARIATION_SELECTOR;
 		if (c >= 0x1885 && c <= 0x1886) return UCD_PROPERTY_OTHER_ALPHABETIC | UCD_PROPERTY_OTHER_ID_START;
 		if (c == 0x18A9)                return UCD_PROPERTY_OTHER_ALPHABETIC;
 		break;
 		if (c == 0xFB1E)                return UCD_PROPERTY_DIACRITIC | UCD_PROPERTY_OTHER_ALPHABETIC;
 		break;
 	case 0xFE00:
+		if (c >= 0xFE00 && c <= 0xFE0F) return UCD_PROPERTY_VARIATION_SELECTOR;
 		if (c >= 0xFE20 && c <= 0xFE2F) return UCD_PROPERTY_DIACRITIC;
 		break;
 	case 0x010200:
 		if (c == 0x01E947)                  return UCD_PROPERTY_OTHER_ALPHABETIC;
 		if (c >= 0x01E948 && c <= 0x01E94A) return UCD_PROPERTY_DIACRITIC;
 		break;
+	case 0x0E0100:
+		if (c >= 0x0E0100 && c <= 0x0E01EF) return UCD_PROPERTY_VARIATION_SELECTOR;
+		break;
 	}
 	return 0;
 }

tools/printdata.py

 	props += (2 ** 26) * data.get('Other_ID_Start', 0)
 	props += (2 ** 27) * data.get('Other_ID_Continue', 0)
 	props += (2 ** 28) * data.get('Sentence_Terminal', 0)
+	props += (2 ** 29) * data.get('Variation_Selector', 0)
 	return props
 
 if __name__ == '__main__':