31 lines
1.1 KiB
Text
31 lines
1.1 KiB
Text
# *******************************************************************************
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# *
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# * Copyright (C) 2009, International Business Machines
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# * Corporation and others. All Rights Reserved.
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# *
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# *******************************************************************************
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#
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# File created on Dec 2, 2009
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#
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# This is not a real CNS-11643 table, but a "fake" table to return U+FFFD
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# for every byte sequence valid in ISO-2022-CN(-Ext). Chrome and Android
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# do not want to include the real table for charsets that are extremely
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# rare, if used at all. However, not supporting ISO-2022-CN(-Ext) gets
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# them vulernable to a security issue. By including this 'fake' table,
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# they can be protected while increasing the ICU data size by ~ 10kB.
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<code_set_name> "NOOP-CNS-11643"
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<char_name_mask> "AXXXX"
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<mb_cur_max> 3
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<mb_cur_min> 3
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<uconv_class> "MBCS"
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<subchar> \x81\x7e\x7e
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# (state 0) lead byte, selects the CNS plane (0x80 + plane number)
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<icu:state> 81-90:1
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# (1..2) middle and trail bytes for valid but unassigned sequences
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<icu:state> 21-7e:2
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<icu:state> 21-7e.u
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CHARMAP
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END CHARMAP
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