Building LibreOffice Korean Community and CJK common & different issues

1
Building LibreOffice Korean
Community and CJK common &
different issues
- How do I use, contribute & promote LibreOffice in Korea for 3 years?
DaeHyun Sung( 성대현 , 成大鉉 , ソン・デヒョン )

2
Who am I?
●
DaeHyun Sung
성대현 / 成大鉉 / ソン・デヒョン
– Founder member of
LibreOffice Korean
Team(2017-)
– Member of The Document
Foundation (2019-)
– Activities: Korean Community
management & QA, improve
some Korean features on
LibreOffice

3
Index
●
Korean language
●
Building LibreOffice Korean Community
●
CJK Common & different issues
●
Extra. North Korea’s Office suite " 서광 (seogwang)”
●
Future works

4
The
Korean
Language
https://commons.wikimedia.org/w/index.php?curid=4282479

5
Korean Language
●
Korean is the language spoken in the Korean Peninsula
of Northeast Asia
– It is spoken by about 77 million people
– It is the official and national language of both Koreas: North Korea
and South Korea

6
Korean Language
●
Korean Language[Unified]
– 우리말 (“uri-mal”, literally “our language”)/ 겨레말 (“gyeore-mal”,
literally “Korean Ethnic Language”)
●
South Korea
– 한국말 ( 韓國말 , “hanguk-mal”) / 한국어 ( 韓國語 , “hanguk-eo”)
●
North Korea & Yanbian Korean Autonomous Prefecture( 연변조선족자치주 , 延
朝族自治州边鲜 ), Changbai Korean Autonomous County( 장백 조선족 자치현
长白朝族自治鲜县 ) & Three Northeastern Provinces ( 北三省东 ) in China
– 조선말 ( 朝鮮말 , “joseon-mal") / 조선어 ( 朝鮮語 , “joseon-eo”)
●
Russia & CIS[Commonwealth of Independent States]
– Корё мар( 고려말 / 高麗말 , “goryeo-mal”)

7
Building LibreOffice Korean
Community
●
As a Linux newbie
●
Some contribute to many FLOSS projects
●
Contribute & Collaboration with LibreOffice CJK
●
In 2020
– NIPA’s Event "Contributon”
– Hacktoberfest event

8
As a Linux Newbie
●
16 years ago, When I first started Linux, they looked up
Korean Linux Document on the KLDP( 한국어 리눅스 문서화
프로젝트 , Korean Linux Documentation Project) site
– (Currently, It is rarely used by Korean Linux Users)
– Site: https://kldp.org/
●
14 years ago, I found the Korean threads on KLDP
– ttf-alee 11 업로드 (upload) https://kldp.org/node/74311
– " 구슬체 " 에서 한자대신 한글이 출력되는 문제 (The problem: Hangul
is printed form "Guseul" font instead of Hanja"
https://kldp.org/node/89240

9
As a Linux Newbie
●
Some Korean thread’s some problems on KLDP
– Some FLOSS Korean developers ignore Hanja( 한자 / 漢字 ,
Chinese characters) issues
– One FLOSS Korean developer made the Hanja problem on
font(“Guseol” font)
– The Korean font developer insists, “Hanja is not Korean
Language” and change hanja to Korean hanja sound
●
ex) 漢字 → 한자

10
As a Linux Newbie
●
“Guseul” font’s Hanja
issue on KLDP ( 15 years
ago)
– Strongly Problematic
●
Ideographs and Korean Hanja
sound cannot be mapped 1:1
ex) 樂– 4 Sounds
악 ak 낙 nak 락 rak 요 yo
●
There is a problem that
characters cannot be properly
expressed When Chinese &
Japanese strings appear

11
As a Linux Newbie
●
Ubuntu Korea’s libHWP Incident (2013)
– Korean Open Source developer has already developed HWP open
source library (libHWP)
– One member copied HWP open source library, and he lied that he
developed the HWP library himself had developed the HWP library
– As a result, HWP open source library was closed & destroyed
– It shows the problem of the FLOSS community’s responsibility
– Related article:
●
오픈소스 HWP 기술 , 공개 1 년만에 파국 (Open Source HWP technology, facing
catastrophe only one year after) https://zdnet.co.kr/view/?no=20131211160511
●
Ubuntu Korea’s wiki https://wiki.ubuntu-kr.org/index.php/Libhwp-incident

12
Some contribute to many
FLOSS projects
●
5 years After finishing studies at university and working at
a company, I tried to contribute Some Linux projects.
– Also, I attended KDE Korea’s event (KDE 20th
event)
●
KDE's 20th Birthday in Seoul, Korea 2016.10.14.
https://www.youtube.com/watch?v=8_IuvlQV2VQ
– For the first time, I contributed GNOME gucharmap
using UNICODE consortium’s UNIHAN database
●
Unicode ® Standard Annex #38 https://www.unicode.org/reports/tr38/
– After contributing to GNOME gucharmap, I contributed to GNOME
characters, KDE kcharselect and etc.

13
FLOSS projects
●
GNOME gucharmap
– Add Korean Hangul sound
and Vietnamese
pronunciation for
Ideographs
●
Example) one 一
– Commit:
https://gitlab.gnome.org/G
NOME/gucharmap/commit/
b3614d114bc2158f8e5c4b98
797019f3a71d0ba7

14
FLOSS projects

15
FLOSS projects
●
GNOME gucharmap
– Decomposition Korean
Hangul Syllable & click to
move Hangul jamo
– Commit:
https://gitlab.gnome.org/G
NOME/gucharmap/-/commi
t/65c3083fc4f7045d5cb9269
a84d7ace4d90ab65c

16
FLOSS projects
●
KDE kcharselect
– Decomposition Korean
Hangul Syllable & click to
move Hangul jamo
– Commit
https://invent.kde.org/fram
eworks/kwidgetsaddons/-/c
ommit/d5afd98cb6fbe743d6
fdf75770aef13a5c6194b8

17
FLOSS projects
●
Libhangul – FLOSS Korean IME library
– add 158 characters in the list of hanja[ 한자 , 漢字 ]
●
https://github.com/libhangul/libhangul/pull/19/files

18
FLOSS projects
●
When I contributed to some FLOSS projects (such as,
GNOME gucharmap, GNOME characters, KDE
kcharselect, libhangul, GNU libunistring, etc)
– I’m curious about the development of Ideographs( 漢字 / 字汉 ,
한자 , かんじ ) processing in East Asian languages such as
Korean, Chinese, Japanese, Vietnamese
– So, I have participated in a variety of FLOSS conferences in East
Asia regions (such as Japan, Mainland China, Taiwan, etc)

20
COSCUP 2017
●
I met TDF members such as Italo Vignoli, Franklin weng,
Cheng-Chia Tseng, Jeff Huang on COSCUP 2017 in
Taipei, Taiwan
– COSCUP(Conference for Open Source Coders, Users and
Promoters) is an annual conference held by Taiwanese Open
Source Communities.
– I attended to Italo Vignoli’s presentation on COSCUP 2017 in
Taipei, Taiwan
– Moreover, I met LibreOffice Japanese Members on COSCUP
2017

22
COSCUP 2017
●
After COSCUP 2017
– I joined LibreOffice CJK telegram by Jeff Huang, One of TDF
Taiwan Member
●
LibreOffice CJK Telegram:
https://t.me/joinchat/CVgtjEKzbQoitBP9aR4alQ
– As a result, I participated in LibreOffice

23
In 2018 ~
2019
●
My first commit on LibreOffice
●
Collaborate & meetup LibreOffice
Asia Communities
●
Became a TDF Member and
interview
●
Attended Korean OSS Community

24
●
Added & fixed missing Korean Hanja Sound
– https://gerrit.libreoffice.org/c/core/+/54562

25

26
Contribute some Korean
features on LibreOffice
●
I contributed some Korean features on LibreOffice
– Line break rule in Korean
– Add Korean Dangi era[ 단기 / 檀紀 ] features
– fix to work "add Korean Ruby script"
– Etc.
– Below is my contribution link on LibreOffice
●
https://gerrit.libreoffice.org/q/status:closed+author:sungdh86%252Bgit
%2540gmail.com

27
KDE aKademy 2018 Keynote
●
I watched KDE akademy 2018 Keynote speech of Dan
Bielefeld
– “Mapping Crimes Against Humanity in North Korea with FOSS”
●
https://conf.kde.org/en/Akademy2018/public/events/78
●
He describes his North Korea human rights NGO( 전환기 정의 워킹
그룹 /Transitional Justice Working Group) working and using free and open
source software and data(FOSSD)
●
He added that using FOSS in Korea in a challenge for foreigners
– Korean Input, fonts, banking & online transactions
– In addition, Hangul Word processor / .HWP files

28
Collaborate with LibreOffice Asia
communities
●
Collaborate with LibreOffice Asia Communities (2018)
– LibreOffice Asia Meetup in A+A Space, Taipei, Taiwan
https://blog.documentfoundation.org/blog/2018/08/22/libreoffic
e-asia-meetup-in-aa-space-taipei-taiwan/
– 2018 年度 LibreOffice 亞洲社群聚會在台灣
https://slat.org/node/133

29
Collaborate with LibreOffice Asia
communities
●
Collaborate with LibreOffice Asia Communities (2019)
– LibreOffice Asia Conference 2019
https://wiki.documentfoundation.org/Events/2019/LibreOffice_A
sia_Conference
– LibreOffice Asia Conference 2019 https://conf.libreoffice.jp/
– My LibreOffice Asia Conference 2019 Day2. CJK Hackfest Report
https://medium.com/libreoffice-korean-team/my-libreoffice-asia-
conference-2019-day2-cjk-hackfest-report-785cea73dda6

30
Became a TDF Member and
interview
●
Became a TDF Member (2019.01.01 ~ )
– https://www.documentfoundation.org/governance/members/
●
The Document Foundation Blog:
– Community Member Monday: DaeHyun Sung
https://blog.documentfoundation.org/blog/2019/08/05/commun
ity-member-monday-daehyun-sung/

31
Attended Korean OSS
Community
●
2019.01.10. Technical document Translator Conference
in Seoul, Korea
– Younggun Kim( 김영근 ), PSF(Python Software Foundation)
Fellow, said that He use LibreOffice Writer on Linux to translate
English into Korean (books & texts)
●
https://www.slideshare.net/scarinet/ss-127745157

32
In 2020
●
Due to the spread of COVID-19, It
is difficult to open the meetup
●
Collaboration with LibreOffice
Asia Communities
●
Despite serious difficulties, I have
promoted the LibreOffice Korean
Community
●
Also, I fixed & modified
LibreOffice’s Korean features

33
Collaborate LibreOffice Asia
Communities
●
Collaboration with LibreOffice Japanese Community
– https://whatcanidoforlibreoffice.org
●
I already contributed to it for a Korean version (2019)
●
I helped to contribute "What Can I do for LibreOffice" to the LibreOffice
Japanese community (2020)

34
Communities
●
Collaboration with
Indonesian contributor to
UX(User eXperience)
– I reqeust for fix of ‘ 기’ to be ‘ 가’
●
Bug 132080 - elementary: Wrong
Glyphs with Korean UI
https://bugs.documentfoundation.org/show_bug.cgi?id=132080
●
Bug 128689 — Request to Localize More
Formatting Icons into Korean UI
●
Bug 132080 — elementary: Wrong
Glyphs with Korean UI

35
Communities
●
Collaboration with LibreOffice CJK Communities on
LibreOffice Calc
– Chinese numerals(Korean: 갖은자 , Japanese: 漢字数 ) on both
Korean and Japanese
●
Korea's Hanja Upper Numbers[ 한자 갖은자 ] 5 and 1000 are wrong
●

36
Communities
●
LibreOffice Calc
– Chinese numerals(Korean: 갖은자 , Japanese: 漢数字 ) on both
Korean and Japanese
●
Check Both Korean & Japanese contributors(Naruhiko
Ogasawara)
– Bug 130140 - There is a string display error with numbers above 10
about All Korean Numeric text and Japanese Modern Numeric text
– Bug 130193 - Japanese Traditional Numeric texts are wrong such as
1,2,3, 10, 1000, 10000 https://bugs.documentfoundation.org/show_bug.cgi?id=130193
– Bug 130077 - Korea's Hanja Upper Numbers[ 한자 갖은자 ] 5 and 1000 are
wrong https://bugs.documentfoundation.org/show_bug.cgi?id=130077

37
Communities
●
LibreOfffice
– Check & fixed Both Korean & Japanese Excel-Calc number format
●
Submit & approve some codes
– Gerrit review system
●
tdf#130193: Asian Excel-Calc number format interop
https://gerrit.libreoffice.org/c/core/+/94376
●
Remapping NatNum-DBNum in Korean for compatibility tdf#130193
– Commit
●
tdf#130193: Asian Excel-Calc number format interop
https://git.libreoffice.org/core/+/9efd7cd637d9d882f2fc8277b657ec117c591e80
●
Remapping NatNum-DBNum in Korean for compatibility tdf#130193
https://git.libreoffice.org/core/+/51404171449eadcb69057ff03cbb7bdb0117910b%5E%21

38
Communities
●
Before fixing the issue

39
Communities
●
Fixed it – Korean: changed 갖은자‘五’ to ’ 伍’

40
Communities
●
Fixed Chinese numerals(Korean: 갖은자 , Japanese: 漢数
字 ) with both Korean and Japanese

41
Communities
●
Changed Noto CJK Font's language notaion For CJK Users
https://git.libreoffice.org/core/+/50a41b211e7b9bce7cf10d286861071574702638%5
E%21/

42
Communities
●
Changed Noto CJK Font's language notaion For CJK Users

43
Communities
●
Changed CJK Font's language notaion For CJK Users
– I have added support for CJK fonts, such as Source Han CJK fonts
& MacOS's CJK Fonts Hiragino Sans, etc
●
Bugzilla: https://bugs.documentfoundation.org/show_bug.cgi?id=134742
●
Gerrit review: [CJK Issue, Enhancement] Distinguishing both Korean and
Japanese font from all CJK[Chinese-Japanese-Korean] fonts such as Noto
CJK font series and Source Han Sans series, etc.
– That issue also discussed due to some font language notations at
the Ask LibreOffice Japanese
●
フォント名のに表示される例について横 [About the example displayed next
to the font name]
https://ask.libreoffice.org/ja/question/250734/huontoming-noheng-nibiao-
shi-sareruli-nitsuite/

44
Communities
●
Changed CJK Font's language notaion For CJK Users
– Example of Source Han Sans CJK Fonts & Hiragino Sans Chinese
fonts

45
NIPA’s Event ‘Contributon’
●
Annual event for Contributors, operated by NIPA
– Host: Ministry of Science and ICT( 과학기술정보통신부 / 科學技術
情報通信部 )
– Organizer: National IT Industry Promotion Agency( 정보통신산업
진흥원 / 情報通信産業進興院 )
– Sponsors: MicroSoft Korea, LINE, Kakao, Naver, SK Telecom,
gabia, LABLUP, NexClipper

46
●
What is ‘Contributon’?
– A coined word between "Contribution" and "Marathon”
– Hackathon event with developers and beginners for 6 weeks
– This years event period: Auguest 1 - September 16
– Homepage: https://www.oss.kr/contributhon

47

48

49

50
●
Event’s Contributions
– Registered Korean Wiki Translations
– Korean Software Translations
– Improve Korean features
●
tdf#135405 Add Korean(ko_KR) spellcheck dictionary [Reviewing]
https://gerrit.libreoffice.org/c/dictionaries/+/100395
●
tdf#132293 remove unused imports from .py files under
sc/qa/uitest/autofilter https://gerrit.libreoffice.org/c/core/+/100385
●
Bug 135727 – [ko] Extend Autocorrect list for Korean language

51
●
Pros
– Easily spread FLOSS
projects for begineers
– During the event, support
for meetup & events at the
agency
●
Cons
– Tight schedule, short times
– The agency loves ‘MS Office’
OOXML formats & ‘hwp’
format
– After event, Participators
lose motivation to
participate in Contribution

52
●
One of Contributon Mentor
– Translation) In an Open Source support program(Contributon),
reports are received only as HWP or DOC, not as PDFs. This is
tough
●
https://twitter.com/Outsideris/status/1261301179641819137

53
●
Finally
– Try to apply for next year’s ‘contributon’
●
Future works & Goals
– I’ll try to increase community participation & improve the
community motivation
– I'll consider how to continuously operation for the community
– I’ll try to ask NIPA and Korea's governmental
institutions/agencies to expand the use of "ODF" format
– Improve LibreOffice for Korean users

54
Hacktoberfest 2020
●
I made LibreOffice’s Korean Autocorrect data xml file
repository
– Repo link: https://github.com/libreoffice-kr/autocorr_kr
– During October this year, Korean Auto correct data is collected
in the Github Repository
– Finally, I’ll apply the event result to the LibreOffice Core
Repository

55
Hacktoberfest 2020
●
Example of Pull Request to Korean Autocorrect
repository

56
CJK
Common &
different
Issues
●
CJKV Issues, Bugs
●
Ideographs, Chinese Characters
●
Variant Ideographs
●
Vertical Writing
●
Classical Hangul & Jejueo Notation
●
Disable “apply spacing between
Asian and non-Asian text” option
for Korean user

57
CJKV Issues, Bugs
●
Bug 83066(CJK)
– CJK bugs are tracked by META issues
●
●
Bug 113193 (CJK-Chinese-Traditional)
– [META] Traditional Chinese (zh_TW, zh_HK) language-specific CJK
issues
●
●
Bug 113194 (CJK-Chinese-Simplified)
– [META] Simplified Chinese (zh_CN) language-specific CJK issues
●

58
CJKV Issues, Bugs
●
Bug 113195 (CJK-Japanese)
– [META] Japanese language-specific CJK issues
●
●
Bug 113196 (CJK-Korean)
– [META] Korean language-specific CJK issues
●

59
Hanja
Ideographs
한자
漢字
●
Hanja( 한자 / 漢字 ) is the Korean
Name referring to Chinese
Characters/Ideographs
( 漢字 / 字汉 )

60
Hanja/Ideographs/ 한자 / 漢字
●
Commonly called “Chinese Characters” or “Ideographs”
in English
– Widely uses in East Asian countries and regions such as Mainland
China, Taiwan, Hong Kong, Macao, Korea, Japan, Vietnamese, etc
●
One character has one mean and one sound
– Exceptions
●
Some characters have multiple definitions
●
Some characters have multiple sounds
●
Some characters have both multiple definitions and multiple sounds

61
Ideographs, Chinese Characters
●
Many of Korean fonts do
not have certain
Ideographs
– Example)
●
Simplified Chinese
– 铁 (Korean: 鐵 철 cheol)
– 时 (Korean: 時 시 si)
– 须 (Korean: 須 수 su)
– 罩 (Korean: 조 jo, rarely
used in Korean)
●
Japanese
– 鉄 (Korean: 鐵 철 cheol)

62
Variant
Ideographs
●
Variant Ideographs/Chinese
Characters
●
이체자 ( 異體字 / 異体字 / 体字异 )

63
Variant Ideographs
Language Countries & Regions Ideographs Reads
中文
Chinese
Mainland China
异体字 yìtǐzì
Taiwan
異體字
yìtǐzì
ㄧˋ ㄊㄧˇ ㄗˋ
Hong Kong
異體字 ji6 tai2 zi6
우리말
Korean
Korea peninsular
China, Japan
Russia & CIS
異體字
이체자
icheja
日本語
Japanese
Japan
異体字
いたいじ
itaiji

64
Variant Ideographs
●
Introducing Source Han Sans: An open source Pan-CJK
typeface
– https://blog.typekit.com/2014/07/15/introducing-source-han-san
s/

66
Vertical
Writing
●
In East Asian regions(CJK), Many
East Asian(CJK) scripts can be
written in the horizontal or
vertical manner.

67
Vertical Writing
●
Example of CJK Vertical Writing
1. From top to bottom
2. Ordered from right to left
①
②

68
Vertical Writing
●
Example of Vertical Writing in Korean
https://www.instagram.com/p/BfjDSaSl_zD/ https://www.instagram.com/p/BaA6V0_lzIn/

69
Vertical Writing
●

70
Vertical Writing
●
– at Daegu Hyangyo( 대구향교 / 大邱鄕校 ) in Daegu, Korea (South
Korea’s 4th
largest city & located in Southern-east area)

71
Vertical Writing
●
국립국어원 ( 國立國語院 National Institute of the Korean
Language)’s Korean vertical writing manual
– http://kornorms.korean.go.kr/regltn/popup/regltnNtfcView.do?reglt
n_code=0001&ntfc_no=6&ntfc_hist_no=1001
●
W3C Standard
– Requirements for Hangul Text Layout and Typography : 한국어 텍스트
레이아웃 및 타이포그래피를 위한 요구사항
https://www.w3.org/TR/klreq/
– Styling vertical Chinese, Japanese, Korean and Mongolian text
https://www.w3.org/International/articles/vertical-text/
●
Unicode
– Vertical Text Layout https://www.unicode.org/reports/tr50/

72
Vertical Writing
●
Bug 132926 - Change Punctuations(comma & period) for
Korean vertical writting text layout
– https://bugs.documentfoundation.org/show_bug.cgi?id=132926

73
●
아래아 ( ᆞ , U+119E)
– 옛한글 [Classical Hangul]
●
ᄇᆞ람 ( 바람 , wind)
●
ᄃᆞᆯ ( 달 , moon)
●
ᄒᆞᆫ글 – HWP Brand
– Jeju-eo( 제주어 / 濟州語 , Jeju Dialect) Notation
●
ᄒᆞᆫ저 옵서예 – Hello ( 안녕하세요 )
●
ᄆᆞᆷ국 – Momguk, a Jeju dish( 몸국 )
●
– After PDF conversion, origin word changed to wrong word on PDF
– Bug 127010 - Noto Sans font's Some Old Hangul syllables have abnormal shown
in exported PDFs

74
●
Example of LibreOffice (Linux, Mac, Windows)
Linux
Mac OS
Windows

75
●
Korean text layout characters(such as Hangul, Hanja,
etc) have zero space between characters by default
– Bug 136663 - Disable "Apply spacing between Asian and non-
Asian text" option by default for Korean users
– W3C's Requirements for Hangul Text Layout and Typography :
한국어 텍스트 레이아웃 및 타이포그래피를 위한 요구사항
https://w3c.github.io/klreq/
●
3.3 Hangul and Latin Mixed Writing (Including Partial Horizontal Writing
in Vertical Writing) 한글 및 로마자 섞어짜기 ( 세로 짜기 중 일부 가로 짜기 옵션
포함 ) https://w3c.github.io/klreq/#hangulromanmix

76
●
Example of comparison between LibreOffice & MS Office
– LibreOffice
– MS Office

77
●
2020 년
– 1 월 1 일
●
Example of HWP & MS Office

78
Extra. North Korea’s Office suite
" 서광 (seo gwang)"
●
Despite of Economical Sanctions, North Korea’s Agency
and Research Center uses Open Source Software
– ex) Red Star OS (Linux, KDE-based Distributed Edition) &
서광사무처리 seogwang Office suite(LibreOffice-based)

79
Red Star OS
●
North Korea’s Linux
Distribution
●
KDE Based GUI, Office
Suites based on
LibreOffice or openOffice,
etc.

80
●
Red Star OS is a North Korean Linux distribution
– In Red Star OS, North Korea’s Office suite is installed.
– It based on LibreOffice or openOffice
●
I checked only Red Star OS 3.0, based on KDE

81
●
Under North Korea’s Character set standard, “KPS9566”
shows nine multiply encoded hangul jamo
●
김일성 (Kim Il Sung, former DPRK’s leader), 김정일 (Kim Jong il, former
DPRK’s leader), 김정은 (Kim Jong Un, DRPK’s leader)

82
●
In this year, I read an article on North Korea’s IT news
– 붉은별 4.0 서광 오피스에서 MS 워드 파일 편집 가능하다
– Red Star Os 4.0, Seo gwang Office can edit MS Word file
●
https://www.nkeconomy.com/news/articleView.html?idxno=3213
●
The article shows that it can open ODF format & Microsoft Word file formats
●
In my opinion
– It is probable that North Korea authority use ODF format. (I don’t
know exactly about North Korea’s situation though)
– North Korean developers seem to be using FLOSS projects
because of trade sanctions.

83
Future
works
●
In Korea
– Spread “LibreOffice” word
– Improve LibreOffice features for Korean
– Promote “LibreOffice” and use ODF
– Activating the LibreOffice Korean
community even more
●
Long-term project
– Both Koreas promote LibreOffice

84
Acknowledgements
●
Thanks to LibreOffice Asia Communities
– Japan, Taiwan, Mainland China, Indonesia, etc
●
Thanks to PyCon Korea members & Sprint Seoul
members
●
Thanks to NIPA & contributon mentees and operation
members

85
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respective logos and icons are subject to international copyright laws. The use of these thereof is subject to trademark
policy.
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