Check in the pristine copy of ICU 4.6...

icu46/source/data/coll/kl.txt

+// ***************************************************************************
+// *
+// * Copyright (C) 2010 International Business Machines
+// * Corporation and others.  All Rights Reserved.
+// * Tool: com.ibm.icu.dev.tool.cldr.LDML2ICUConverter.java
+// * Source File:<path>/common/collation/kl.xml
+// *
+// ***************************************************************************
+/**
+ *  ICU <specials> source: <path>/xml/collation/kl.xml
+ */
+kl{
+    Version{"2.0.50.97"}
+    collations{
+        search{
+            Sequence{
+                " [normalization on ][suppressContractions [เ-ไ ເ-ໄ] ]"
+                "&ا<<آ<<أ<<إ"
+                "&و<<ؤ"
+                "&ي<<ئ<<ى"
+                "&ه<<ة"
+                "&[last primary ignorable ]<<׳<<״<<ـ<<ٌ<<ٍ<<َ<<ُ<<ِ<<ّ<<ْ<<ฺ"
+                "&D<<đ<<<Đ<<ð<<<Ð"
+                "&Q<<ĸ<<<K''&t<<<þ/h"
+                "&T<<<Þ/H"
+                "&Y<<ü<<<Ü<<ű<<<Ű"
+                "&[before 1]ǀ<æ<<<Æ<<ä<<<Ä<<ę<<<Ę<ø<<<Ø<<ö<<<Ö<<ő<<<Ő<<œ<<<Œ<å<<<Å"
+            }
+            Version{"1.9"}
+        }
+        standard{
+            Sequence{
+                "&D<<đ<<<Đ<<ð<<<Ð"
+                "&Q<<ĸ<<<K''&t<<<þ/h"
+                "&T<<<Þ/H"
+                "&Y<<ü<<<Ü<<ű<<<Ű"
+                "&[before 1]ǀ<æ<<<Æ<<ä<<<Ä<<ę<<<Ę<ø<<<Ø<<ö<<<Ö<<ő<<<Ő<<œ<<<Œ<å<<<Å"
+            }
+            Version{"1.9"}
+        }
+    }
+}