Apply the converter patches for ICU 4.2.1 to ICU 4.6...

icu46/source/data/mappings/windows-949-2000.ucm

 # ***************************************************************************
 # *
 # *   Copyright (C) 2001-2003, International Business Machines
 # *   Corporation and others.  All Rights Reserved.
 # *
 # ***************************************************************************
 #
 # File created on Dec 03 13:49 Pacific Standard Time 2002
 #
 # File created by genmucm tool.
@@ skipping 19 matching lines @@
 <subchar>                     \x3F
 <icu:charsetFamily>           "ASCII"
 # Suggested ICU specific alias information
 #<icu:alias>                  "windows-949_VPUA"
 
 <icu:state>                   0-80, 81-fe:1, ff
 <icu:state>                   40-7e, 80-fe
 
 # build an extension-only (delta) .cnv file
 # requires the base .cnv file at runtime
-<icu:base>                    "ibm-1363_P11B-1998"
+# CHROME : we don't want IBM-1363
+#<icu:base>                    "ibm-1363_P11B-1998"
 
 # The following was the generated state table.
 # This does not account for unassigned characters
 #<icu:state>                  0-80, 81-fe:1, ff
 #<icu:state>                  41-5a, 61-7a, 81-fe
 #
 CHARMAP
 <U0000> \x00 |0
 <U0001> \x01 |0
 <U0002> \x02 |0
@@ skipping 17748 matching lines @@
 <UFFDA> \xA4\xD1 |1
 <UFFDB> \xA4\xD2 |1
 <UFFDC> \xA4\xD3 |1
 <UFFE0> \xA1\xCB |0
 <UFFE1> \xA1\xCC |0
 <UFFE2> \xA1\xFE |0
 <UFFE3> \xA3\xFE |0
 <UFFE5> \xA1\xCD |0
 <UFFE6> \xA3\xDC |0
 END CHARMAP