Your message dated Thu, 14 Jan 2016 23:17:08 +0000 with message-id <[email protected]> and subject line Bug#798727: fixed in perl 5.20.2-3+deb8u3 has caused the Debian Bug report #798727, regarding Encode::Unicode decode() dies unnecessarily to be marked as done.
This means that you claim that the problem has been dealt with. If this is not the case it is now your responsibility to reopen the Bug report if necessary, and/or fix the problem forthwith. (NB: If you are a system administrator and have no idea what this message is talking about, this may indicate a serious mail system misconfiguration somewhere. Please contact [email protected] immediately.) -- 798727: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=798727 Debian Bug Tracking System Contact [email protected] with problems
--- Begin Message ---Package: perl Version: 5.20.2-2 The Encode::Unicode documentation states the following: When BE or LE is omitted during decode(), it checks if BOM is at the beginning of the string; if one is found, the endianness is set to what the BOM says. If no BOM is found, the routine dies. To reproduce: --- use Encode qw/decode/; decode("utf-16be", "Hello World"); # does not die decode("utf-16le", "Hello World"); # does not die decode("utf-16", "\xFE\xFFHello World"); # does not die decode("utf-16", "Hello World"); # dies with "UTF-16:Unrecognised BOM" --- Unicode Standard version 8.0: The UTF-16 encoding scheme may or may not begin with a BOM. However, when there is no BOM, and in the absence of a higher-level protocol, the byte order of the UTF-16 encoding scheme is big-endian. RFC2781: If the first two octets of the text is not 0xFE followed by 0xFF, and is not 0xFF followed by 0xFE, then the text SHOULD be interpreted as being big-endian. There is a simple fix of doing nothing: diff --git a/cpan/Encode/Unicode/Unicode.xs b/cpan/Encode/Unicode/Unicode.xs index cf42ab8..7caf1c1 100644 --- a/cpan/Encode/Unicode/Unicode.xs +++ b/cpan/Encode/Unicode/Unicode.xs @@ -164,9 +164,18 @@ CODE: endian = 'V'; } else { - croak("%"SVf":Unrecognised BOM %"UVxf, - *hv_fetch((HV *)SvRV(obj),"Name",4,0), - bom); + /* No BOM found, use big-endian fallback as specified in + * RFC2781 and the Unicode Standard version 8.0: + * + * The UTF-16 encoding scheme may or may not begin with + * a BOM. However, when there is no BOM, and in the + * absence of a higher-level protocol, the byte order + * of the UTF-16 encoding scheme is big-endian. + * + * If the first two octets of the text is not 0xFE + * followed by 0xFF, and is not 0xFF followed by 0xFE, + * then the text SHOULD be interpreted as big-endian. + */ } } #if 1 CPAN bug report: https://rt.cpan.org/Ticket/Display.html?id=107043
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--- Begin Message ---Source: perl Source-Version: 5.20.2-3+deb8u3 We believe that the bug you reported is fixed in the latest version of perl, which is due to be installed in the Debian FTP archive. A summary of the changes between this version and the previous one is attached. Thank you for reporting the bug, which will now be closed. If you have further comments please address them to [email protected], and the maintainer will reopen the bug report if appropriate. Debian distribution maintenance software pp. Dominic Hargreaves <[email protected]> (supplier of updated perl package) (This message was generated automatically at their request; if you believe that there is a problem with it please contact the archive administrators by mailing [email protected]) -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 Format: 1.8 Date: Mon, 11 Jan 2016 23:06:58 +0000 Source: perl Binary: perl-base perl-doc perl-debug libperl5.20 libperl-dev perl-modules perl Architecture: all amd64 source Version: 5.20.2-3+deb8u3 Distribution: jessie Urgency: medium Maintainer: Niko Tyni <[email protected]> Changed-By: Dominic Hargreaves <[email protected]> Closes: 798727 Description: libperl5.20 - shared Perl library libperl-dev - Perl library: development files perl-base - minimal Perl system perl-debug - debug-enabled Perl interpreter perl-doc - Perl documentation perl - Larry Wall's Practical Extraction and Report Language perl-modules - Core Perl modules Changes: perl (5.20.2-3+deb8u3) jessie; urgency=medium . * Backport Encode::Unicode BOM fix from Encode-2.77. 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