Add new shaping category

Author: Manishearth

unicodetools/org/unicode/text/UCD/MakeUnicodeFiles.txt

@@ -1,6 +1,6 @@
 Generate: .
 CopyrightYear: 2021
-DeltaVersion: 12
+DeltaVersion: 13
 
 File: extra/ScriptNfkc
 Property: SPECIAL

unicodetools/org/unicode/text/UCD/UCD_Names.java

@@ -1095,7 +1095,8 @@ public final class UCD_Names implements UCD_Types {
         "Hanifi_Rohingya_Pa",
         "Hanifi_Rohingya_Kinna_Ya",
         // Unicode 14
-        "THIN_YEH"
+        "THIN_YEH",
+        "VERTICAL TAIL"
     };
     static {
         fixArray(JOINING_GROUP);

unicodetools/org/unicode/text/UCD/UCD_Types.java

@@ -749,8 +749,9 @@ public interface UCD_Types {
     Hanifi_Rohingya_Kinna_Ya = 102,
     // Unicode 14
     THIN_YEH = 103,
+    VERTICAL_TAIL = 104,
     // limit
-    LIMIT_JOINING_GROUP = THIN_YEH + 1;
+    LIMIT_JOINING_GROUP = VERTICAL_TAIL + 1;
 
     static final byte NFD = 0, NFC = 1, NFKD = 2, NFKC = 3;
     public static final int