Update ICU to 58.1

source/data/translit/InterIndic_Gurmukhi.txt

Index: source/data/translit/InterIndic_Gurmukhi.txt
diff --git a/source/data/translit/InterIndic_Gurmukhi.txt b/source/data/translit/InterIndic_Gurmukhi.txt
index 3cc68262535b91865e4c21878ad6ea4d3403b3e1..c04b54c8cbba6785b9e2185b1e666f28b0bdc871 100644
--- a/source/data/translit/InterIndic_Gurmukhi.txt
+++ b/source/data/translit/InterIndic_Gurmukhi.txt
@@ -1,16 +1,19 @@
-# ***************************************************************************
-# *
-# *  Copyright (C) 2004-2015, International Business Machines
-# *  Corporation; Unicode, Inc.; and others.  All Rights Reserved.
-# *
-# ***************************************************************************
+# © 2016 and later: Unicode, Inc. and others.
+# License & terms of use: http://www.unicode.org/copyright.html#License
+#
 # File: InterIndic_Gurmukhi.txt
-# Generated from CLDR 
+# Generated from CLDR
 #
+
+# InterIndic-Gurmukhi
+#:: NFD (NFC) ;
 $vowel = [ਅ-ਔ ਾ-\u0A4D];
 $consonant = [ਕ-ਹ];
 \uE001→\u0A01;       # SIGN CHANDRABINDU
+#rules for BINDI
+# Anusvara is equivalent to BINDI when preceeded by a vowel
 $vowel{\uE002→\u0A02; # SIGN ANUSVARA (\u0A02 = SIGN BINDI)
+# else is equivalent to TIPPI
 $consonant{\uE002→\u0A70; # SIGN TIPPI
 \uE002→\u0A02;
 \uE003→;       # FALLBACK BLOW AWAY SIGN VISARGA
@@ -140,3 +143,6 @@ $consonant{\uE002→\u0A70; # SIGN TIPPI
 \uE083→ਤ\u0A4D;  # Bengali Khanda-ta
 0 → ੦;       # FALLBACK FOR TAMIL
 1 → ੧;
+#    :: NFC (NFD) ;
+# eof
+