source/data/mappings/noop-cns-11643.ucm - Issue 598383002: Make all the single byte encodings compliant to the encoding spec.

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Issue 598383002: Make all the single byte encodings compliant to the encoding spec. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/deps/third_party/icu52/

Patch Set: Created 6 years, 2 months ago

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1 # ****************************************************************************** *

2 # *

3 # * Copyright (C) 2009, International Business Machines

4 # * Corporation and others. All Rights Reserved.

5 # *

6 # ****************************************************************************** *

7 #

8 # File created on Dec 2, 2009

9 #

10 # This is not a real CNS-11643 table, but a "fake" table to return U+FFFD

11 # for every byte sequence valid in ISO-2022-CN(-Ext). Chrome and Android

12 # do not want to include the real table for charsets that are extremely

13 # rare, if used at all. However, not supporting ISO-2022-CN(-Ext) gets

14 # them vulernable to a security issue. By including this 'fake' table,

15 # they can be protected while increasing the ICU data size by ~ 10kB.

16 <code_set_name> "NOOP-CNS-11643"

17 <char_name_mask> "AXXXX"

18 <mb_cur_max> 3

19 <mb_cur_min> 3

20 <uconv_class> "MBCS"

21 <subchar> \x81\x7e\x7e

22

23 # (state 0) lead byte, selects the CNS plane (0x80 + plane number)

24 <icu:state> 81-90:1

25

26 # (1..2) middle and trail bytes for valid but unassigned sequences

27 <icu:state> 21-7e:2

28 <icu:state> 21-7e.u

29

30 CHARMAP

31 END CHARMAP

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