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== Summary ==
== Summary ==
<!-- A sentence or two summarizing what this feature is and what it will do.  This information is used for the overall feature summary page for each release. -->
<!-- A sentence or two summarizing what this feature is and what it will do.  This information is used for the overall feature summary page for each release. -->
This feature covers the integration of libkkc, a new Japanese Kana Kanji input library, into Fedora, along with:
libkkc, a new Japanese Kana Kanji input library, will be available in Fedora 19, along with an IBus input method engine which uses libkkc as backend (ibus-kkc).  ibus-kkc will be the default Japanese input method in place of ibus-anthy.
 
* IBus input method engine using libkkc as the backend (ibus-kkc)
* language model data (libkkc-data)


== Owner ==
== Owner ==
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== Current status ==
== Current status ==
* Targeted release: [[Releases/19 | Fedora 19 ]]  
* Targeted release: [[Releases/19 | Fedora 19 ]]  
* Last updated: 2013-01-15
* Last updated: 2013-03-19
* Percentage of completion: 60%
* Percentage of completion: 100%


<!-- CHANGE THE "FedoraVersion" TEMPLATES ABOVE TO PLAIN NUMBERS WHEN YOU COMPLETE YOUR PAGE. -->
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** There are no library interface.  That means it cannot easily be used by other input method frameworks than IBus, such as Fcitx and uim.
** There are no library interface.  That means it cannot easily be used by other input method frameworks than IBus, such as Fcitx and uim.


libkkc and ibus-kkc will be an open and better replacement of those.
libkkc and ibus-kkc will be a better replacement of those.


== Benefit to Fedora ==
== Benefit to Fedora ==
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== Scope ==
== Scope ==
<!-- What work do the developers have to accomplish to complete the feature in time for release?  Is it a large change affecting many parts of the distribution or is it a very isolated change? What are those changes?-->
<!-- What work do the developers have to accomplish to complete the feature in time for release?  Is it a large change affecting many parts of the distribution or is it a very isolated change? What are those changes?-->
* Support for phrase dictionary
* Import marisa-trie, libkkc, ibus-kkc packages to Fedora (done)
* Support for Japanese numeric conversion (done)
* Make ibus-kkc as the default Japanese input method (done)
* Provide Anthy compatible library for smooth transition from ibus-anthy
* port necessary features like keybinding editor from other IMEs (done)
* Import marisa-trie, libkkc, ibus-kkc packages to Fedora (packages are available in [http://repos.fedorapeople.org/repos/ueno/libkkc/fedora-18/x86_64/ private repo])


== How To Test ==
== How To Test ==
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== Dependencies ==
== Dependencies ==
<!-- What other packages (RPMs) depend on this package?  Are there changes outside the developers' control on which completion of this feature depends?  In other words, completion of another feature owned by someone else and might cause you to not be able to finish on time or that you would need to coordinate?  Other upstream projects like the kernel (if this is not a kernel feature)? -->
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* libkkc (not packaged yet)
* libkkc (packaged)
* marisa-trie (not packaged yet)
* marisa (packaged)


== Contingency Plan ==
== Contingency Plan ==
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* In worst case, we could drop the package and hide it from the gnome-control-center.
 
* Keep ibus-anthy as the default Japanese input method


== Documentation ==
== Documentation ==
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<!-- Is there upstream documentation on this feature, or notes you have written yourself?  Link to that material here so other interested developers can get involved. -->
* [https://bitbucket.org/libkkc/ project page]
* [https://bitbucket.org/libkkc/libkkc project page]
* [https://gitorious.org/libkkc git repos]
* [https://gitorious.org/libkkc git repos]


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<!-- The Fedora Release Notes inform end-users about what is new in the release.  Examples of past release notes are here: http://docs.fedoraproject.org/release-notes/ -->
<!-- The Fedora Release Notes inform end-users about what is new in the release.  Examples of past release notes are here: http://docs.fedoraproject.org/release-notes/ -->
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* ibus-kkc with new libkkc backend provides a more intelligent Kana Kanji input method and speed up the user input of Japanese characters.
* The default Japanese input method changed to ibus-kkc, which uses a new libkkc backend that provides a more intelligent Kana Kanji conversion method.  It will speed up the user input of Japanese characters.


== Comments and Discussion ==
== Comments and Discussion ==
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[[Category:FeatureAcceptedF19]]
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Latest revision as of 04:39, 10 December 2020


libkkc

Summary

libkkc, a new Japanese Kana Kanji input library, will be available in Fedora 19, along with an IBus input method engine which uses libkkc as backend (ibus-kkc). ibus-kkc will be the default Japanese input method in place of ibus-anthy.

Owner

  • Email: ueno at gnu.org

Current status

  • Targeted release: Fedora 19
  • Last updated: 2013-03-19
  • Percentage of completion: 100%


Detailed Description

There are currently two options for typical users to input Japanese sentences: ibus-anthy or ibus-mozc. However, both have issues:

  • ibus-anthy
    • Anthy, the backend library, has been dead upstream for years.
    • The accuracy is not good because of bugs in the core algorithm of Anthy.
  • ibus-mozc
    • Contributions to the input method are limited to Google employees.
    • There are no library interface. That means it cannot easily be used by other input method frameworks than IBus, such as Fcitx and uim.

libkkc and ibus-kkc will be a better replacement of those.

Benefit to Fedora

  • Users will get more intelligent and openly developed Japanese input method.
  • Developers will be able to use libkkc easily from their input method frameworks.

Scope

  • Import marisa-trie, libkkc, ibus-kkc packages to Fedora (done)
  • Make ibus-kkc as the default Japanese input method (done)
  • port necessary features like keybinding editor from other IMEs (done)

How To Test

  1. Try to add "Japanese (Kana Kanji)" input source from gnome-control-center Region panel.
  2. Enable "Japanese (Kana Kanji)" input source from the gnome-shell.
  3. Input some Japanese text, say "watashinonamaehanakanodesu", to input a Kana-string "わたしのなまえはなかのです"
  4. Type Space to convert it to a Kana-Kanji-mixed-string "わたしの名前は中野です".

User Experience

  • With the libkkc back end, Japanese users can speed up the Kana Kanji input thanks to its high accuracy algorithm than ibus-anthy.

Dependencies

  • libkkc (packaged)
  • marisa (packaged)

Contingency Plan

  • Keep ibus-anthy as the default Japanese input method

Documentation

Release Notes

  • The default Japanese input method changed to ibus-kkc, which uses a new libkkc backend that provides a more intelligent Kana Kanji conversion method. It will speed up the user input of Japanese characters.

Comments and Discussion