State of CJK issues of LibreOffice 2021 in COSCUP
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This document summarizes Shinji Enoki's presentation on the state of CJK issues in LibreOffice in 2021. Shinji discussed typical CJK functions in LibreOffice like vertical writing, phonetic guides, and line breaking rules. He explained how to properly report CJK bugs, including gathering details, searching for existing reports, and attaching samples. Shinji then reviewed the status of reported CJK bugs and some typical ongoing issues, like incorrect traditional Japanese numbers and font setting issues in Impress templates. He concluded by welcoming contributions to help resolve the many existing CJK function and bug issues.
![11
Vertical writing (1)
● Writer: [Page Style] setting can be set to vertical writing](https://image.slidesharecdn.com/stateofcjkissuesoflibreoffice2021-210801025211/85/State-of-CJK-issues-of-LibreOffice-2021-in-COSCUP-11-320.jpg)
![12
Vertical writing (2)
● Vertical text box
● Supported by Writer, Calc, Impress, Draw
● Note: Different from normal text box
● Right click on the toolbar-> [Vertical Text]
縦
書
き
の
テ
キ
ス
ト
ボ
ッ
ク
ス
Vertical
text
box](https://image.slidesharecdn.com/stateofcjkissuesoflibreoffice2021-210801025211/85/State-of-CJK-issues-of-LibreOffice-2021-in-COSCUP-12-320.jpg)
![14
Phonetic guides (ruby)
● Writer: menu [Format]>
[Asian Phonetic guide]
● Ruby function works,
but the base text is in
the wrong position by
vertical writing.](https://image.slidesharecdn.com/stateofcjkissuesoflibreoffice2021-210801025211/85/State-of-CJK-issues-of-LibreOffice-2021-in-COSCUP-14-320.jpg)
![24
Explain the menu in English
● Not good:
● 1. Start Writer
●
2. Choose Menu [表示]-[ルビ]
● Good
● 1. Start Writer
● 2. Choose Menu [Format]-[Asian Phonetic Guide]](https://image.slidesharecdn.com/stateofcjkissuesoflibreoffice2021-210801025211/85/State-of-CJK-issues-of-LibreOffice-2021-in-COSCUP-24-320.jpg)
![28
Exact environment information
● In LibreOffice, you can copy your version information
● Menu [Help] -[ About LibreOffice]
● Bugs often occur depending on the environment
● OS, Fonts,
● Caused by ‘user profile’ or ‘extensions’
● You can check in safe mode](https://image.slidesharecdn.com/stateofcjkissuesoflibreoffice2021-210801025211/85/State-of-CJK-issues-of-LibreOffice-2021-in-COSCUP-28-320.jpg)
![32
Meta issue for CJK
● Bug 83066 : [META] CJK (Chinese, Japanese, Korean, and
Vietnamese) language issues
● Meta issue for each CJK language
● Bug 113193 : [META] Traditional Chinese (zh_TW, zh_HK)
● Bug 113194 : [META] Simplified Chinese (zh_CN)
● Bug 113195 : [META] Japanese CJK issues
● Bug 113196 : [META] Korean
Basically only Bug 83066 is used](https://image.slidesharecdn.com/stateofcjkissuesoflibreoffice2021-210801025211/85/State-of-CJK-issues-of-LibreOffice-2021-in-COSCUP-32-320.jpg)
State of CJK issues of LibreOffice 2021 in COSCUP
- 1. This work is licensed under a Creative Commons Attribution-ShareAlike 4.0 License. State of CJK issues of LibreOffice 2021 Shinji Enoki shinji.enoki@libreoffice.org in COSCUP 2021 2021-08-01
- 2. 2 Shinji Enoki (榎真治) ● From Nishinomiya City, Japan ● A member of LibreOffice Japanese Team (2011-) ● Membership Committee Deputies of The Document Foundation (2020-) ● Activity: organizing events, building communities, sometimes QA ● Other community: ● Vice-chairperson of Japan UNIX Society ● A staff of KANSAI OPEN SOURCE
- 3. 3 Live in Nishinomiya, Japan
- 4. 4 I joined COSCUP 2018 and COSCUP 2019
- 5. 5 Talk summary ● Typical CJK functions of LibreOffice ● How to report CJK issues ● LibreOffice CJK bug status ● Typical CJK issues Focus this year
- 6. Do you know the word CJK issues? I can't see you even if you raise your hand...
- 7. 7 What are CJK issues /bugs ● CJK is an abbreviation for “Chinese-Japanese-Korean” ● Chinese, Japanese, and Korean are different languages, but they have some common features ● LibreOffice has many language-specific features and issues, CJK issue is one of them
- 8. Typical LibreOffice CJK functions
- 9. 9 LibreOffice has many CJK features ● It is included in all LibreOffice software ● Word processor (Writer) ● Spreadsheet (Calc) ● Presentation (Impress) ● Drawing (Draw) ● Database (Base) ● Formula (Math)
- 10. 10 Overview of CJK functions ● Text Layout ● Vertical writing ● Phonetic guides (ruby) ● Page Formats, include Line Composition ● Multibyte character ● Input methods ● Fonts ● …. ● CJK needs similar functionality, but the rules are sometimes different
- 11. 11 Vertical writing (1) ● Writer: [Page Style] setting can be set to vertical writing
- 12. 12 Vertical writing (2) ● Vertical text box ● Supported by Writer, Calc, Impress, Draw ● Note: Different from normal text box ● Right click on the toolbar-> [Vertical Text] 縦 書 き の テ キ ス ト ボ ッ ク ス Vertical text box
- 13. 13 Phonetic guides (ruby) ● In Japanese and Chinese, mainly indicate how to read https://www.w3.org/TR/jlreq/#ruby_and_emphasis_dots
- 14. 14 Phonetic guides (ruby) ● Writer: menu [Format]> [Asian Phonetic guide] ● Ruby function works, but the base text is in the wrong position by vertical writing.
- 15. 15 Line breaking rules(Line Composition) ● Paragraph style dialog ->Asian typography
- 16. 16 3 options on 3 options off Off Allow hanging punctuation
- 17. 17 Reference: W3C Requirements documents ● Requirements for Japanese Text Layout ● https:/ /www.w3.org/TR/jlreq/ ● “This document describes requirements for general Japanese layout realized with technologies like CSS, SVG and XSL-FO. ” ● Requirements for Chinese Text Layout 中文排版需求 ● https:/ /www.w3.org/TR/clreq/ ● “This document was developed by people working in different areas, using both Simplified and Traditional Chinese. ” ● Requirements for Hangul Text Layout and Typography ● https:/ /www.w3.org/TR/klreq/ ● These three documents were updated in 2020
- 18. How to report CJK issues
- 19. 19 TDF : Next Decade Manifesto “To support the preservation of mother tongue by encouraging people to translate,document, support, and promote our office productivity tools in their mother tongue” ● I think these “Our Values” is very important
- 20. 20 CJK users need to report / reproduce CJK bugs ● It is hard to notice / understand CJK bug unless it is people of CJK ● Many LibreOffice developers are not CJK people ● Of course, it's very nice for you to try to fix bugs ● If you can't fix it, it's important to report a bug
- 21. 21 How to report a bug? ● Register in the bug database ● Same as almost all open source communities ● Steps 1. Gather bug and your environment information 2. Search the bug database to see if it has already been reported 3. Submitting in the bug database (Bugzilla) https:/ /bugs.documentfoundation.org/enter_bug.cgi
- 23. 23 Make it easier to understand ● It is important that non-CJK people can understand it ● Some points: ● Explain the menu in English ● Use screenshots ● Attach a sample file
- 24. 24 Explain the menu in English ● Not good: ● 1. Start Writer ● 2. Choose Menu [表示]-[ルビ] ● Good ● 1. Start Writer ● 2. Choose Menu [Format]-[Asian Phonetic Guide]
- 25. 25 Use screenshots ● Easy to understand
- 26. 26 Attach a sample file ● The sample file where it happens makes it very easy to reproduce ● Even more important for CJK issues ● Non-CJK people have difficulty creating test files
- 27. 27 Clarify 'Steps to Reproduce' ● Do not omit operation steps in the middle ● Many people don't know CJK function ● They need complete steps
- 28. 28 Exact environment information ● In LibreOffice, you can copy your version information ● Menu [Help] -[ About LibreOffice] ● Bugs often occur depending on the environment ● OS, Fonts, ● Caused by ‘user profile’ or ‘extensions’ ● You can check in safe mode
- 29. 29 Demo:Bug report (7min) ● https:/ /bugs.documentfoundation.org/show_bug.cgi?id=14 3409
- 30. 30 Let's do it ● It is easy ● If you haven't reported a bug to open source project yet, please try it
- 31. LibreOffice CJK bug status
- 32. 32 Meta issue for CJK ● Bug 83066 : [META] CJK (Chinese, Japanese, Korean, and Vietnamese) language issues ● Meta issue for each CJK language ● Bug 113193 : [META] Traditional Chinese (zh_TW, zh_HK) ● Bug 113194 : [META] Simplified Chinese (zh_CN) ● Bug 113195 : [META] Japanese CJK issues ● Bug 113196 : [META] Korean Basically only Bug 83066 is used
- 34. 34 Depends on CJK Meta issue #83066 2017/10 2018/9 2019/9 2020/9 2021/7 Depends on:(All) 135 168 186 207 221 Open 59 73 73 80 78 Close 76 95 113 127 143
- 35. 35 Many CJK bugs ● Some bugs cannot be tracked by meta bug ● Few people fix CJK bugs
- 36. 36 Would you like to try bug fix? ● LibreOffice project welcomes contributors ● There is a volunteer developer Mark Hung in Taiwan ● He has fixed a number of CJK bugs ● If you are in Taiwan, it may be easier to get Mark's support
- 38. 38 Japanese Traditional Numeric texts are wrong such as 1,2,3, 10, 1000, 10000: Bug #130193 ● CJK Traditional Number text units are wrong in Calc ● Naruhiko and DaeHyun created patch ● himajin100000, Mark, and Ming commented ● CJK contributors collaborated ● Fiexd in 7.0
- 39. 39 Improve CJK and CTL fonts setting in default Impress templates : Bug 114746 ● When selecting a template in Impress, CJK font is not selected correctly ● It is set to create slides in Gothic from the template, but it becomes Sans-serif ● Not fixed, but only size issue fixed, and Nogata's patch is under review Noto Sans CJK JP is correct
- 40. 40 "Characters per line" in the Text Grid is calculated without the header and footer: Bug 141957 ● The number of line characters does not match the setting ● Occurs when adding a header or footer ● Not fixed
- 41. 41 - On Vertical-RTL pages, objects rendered off-page when setting their anchor to the page : Bug 117938 ● In vertical writing mode in Writer, when you set an anchor ‘To Page’ on an object, the object disappears ● In 7.1, the menu for setting anchors 'To Page' has been removed ● Not fixed, but it does not happen from the menu
- 42. 42 Other CJK bugs ● You can check COSCUP 2019 my slide https:/ /www.slideshare.net/eno_eno/state-of-cjk-issues-of- libreoffice-2019
- 43. 43 Conclusion ● Many CJK functions are implemented in LibreOffice ● CJK function is often broken – Of course, mostly okay ● We welcome your contributions. If you are interested, please try it
- 44. 44 Contact ● Email: shinji.enoki@libreoffice.org ● Telegram COSCUP channel: user ‘Shinji Enoki’