Check in the pristine copy of ICU 4.6...

icu46/source/data/translit/trnsfiles.mk

Index: icu46/source/data/translit/trnsfiles.mk
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--- icu46/source/data/translit/trnsfiles.mk	(revision 0)
+++ icu46/source/data/translit/trnsfiles.mk	(revision 0)
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+# *   Copyright (C) 1997-2006, International Business Machines
+# *   Corporation and others.  All Rights Reserved.
+# A list of txt's to build
+# Note: 
+#
+#   If you are thinking of modifying this file, READ THIS. 
+#
+# Instead of changing this file [unless you want to check it back in],
+# you should consider creating a 'trnslocal.mk' file in this same directory.
+# Then, you can have your local changes remain even if you upgrade or re
+# configure the ICU.
+#
+# Example 'trnslocal.mk' files:
+#
+#  * To add an additional transliterators to the list: 
+#    _____________________________________________________
+#    |  TRANSLIT_SOURCE_LOCAL =   myTranslitRules.txt ...
+#
+#  * To REPLACE the default list and only build with a few
+#     transliterators:
+#    _____________________________________________________
+#    |  TRANLIST_SOURCE = el.txt th.txt
+#
+#
+
+TRANSLIT_SOURCE=root.txt en.txt el.txt