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1
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2 Authors of XZ Utils
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3 ===================
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4
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5 XZ Utils is developed and maintained by
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6 Lasse Collin <lasse.collin@tukaani.org>.
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7
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8 Major parts of liblzma are based on code written by Igor Pavlov,
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9 specifically the LZMA SDK <https://7-zip.org/sdk.html>. Without
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10 this code, XZ Utils wouldn't exist.
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11
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12 The SHA-256 implementation in liblzma is based on code written by
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13 Wei Dai in Crypto++ Library <https://www.cryptopp.com/>.
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14
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15 A few scripts have been adapted from GNU gzip. The original
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16 versions were written by Jean-loup Gailly, Charles Levert, and
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17 Paul Eggert. Andrew Dudman helped adapting the scripts and their
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18 man pages for XZ Utils.
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19
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20 The initial version of the threaded .xz decompressor was written
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21 by Sebastian Andrzej Siewior.
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22
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23 The initial version of the .lz (lzip) decoder was written
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24 by Michał Górny.
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25
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26 Architecture-specific CRC optimizations were contributed by
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27 Ilya Kurdyukov, Hans Jansen, and Chenxi Mao.
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28
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29 Other authors:
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30 - Jonathan Nieder
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31 - Joachim Henke
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32
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33 Special author: Jia Tan was a co-maintainer in 2022-2024. He and
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34 the team behind him inserted a backdoor (CVE-2024-3094) into
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35 XZ Utils 5.6.0 and 5.6.1 releases. He suddenly disappeared when
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36 this was discovered.
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37
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38 Many people have contributed improvements or reported bugs.
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39 Most of these people are mentioned in the file THANKS.
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40
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41 The translations of the command line tools and man pages have been
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42 contributed by many people via the Translation Project:
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43
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44 - https://translationproject.org/domain/xz.html
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45 - https://translationproject.org/domain/xz-man.html
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46
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47 The authors of the translated man pages are in the header comments
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48 of the man page files. In the source package, the authors of the
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49 translations are in po/*.po and po4a/*.po files.
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50
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51 Third-party code whose authors aren't listed here:
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52
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53 - GNU getopt_long() in the 'lib' directory is included for
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54 platforms that don't have a usable getopt_long().
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55
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56 - The build system files from GNU Autoconf, GNU Automake,
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57 GNU Libtool, GNU Gettext, Autoconf Archive, and related files.
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58
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