244 lines
7 KiB
XML
244 lines
7 KiB
XML
<chapter xmlns="http://docbook.org/ns/docbook"
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xmlns:xlink="http://www.w3.org/1999/xlink"
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xmlns:xi="http://www.w3.org/2001/XInclude"
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version="5.0"
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xml:id="module-services-input-methods">
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<title>Input Methods</title>
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<para>
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Input methods are an operating system component that allows any data, such as
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keyboard strokes or mouse movements, to be received as input. In this way
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users can enter characters and symbols not found on their input devices.
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Using an input method is obligatory for any language that has more graphemes
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than there are keys on the keyboard.
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</para>
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<para>
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The following input methods are available in NixOS:
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</para>
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<itemizedlist>
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<listitem>
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<para>
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IBus: The intelligent input bus.
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</para>
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</listitem>
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<listitem>
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<para>
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Fcitx: A customizable lightweight input method.
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</para>
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</listitem>
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<listitem>
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<para>
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Nabi: A Korean input method based on XIM.
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</para>
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</listitem>
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<listitem>
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<para>
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Uim: The universal input method, is a library with a XIM bridge.
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</para>
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</listitem>
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</itemizedlist>
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<section xml:id="module-services-input-methods-ibus">
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<title>IBus</title>
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<para>
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IBus is an Intelligent Input Bus. It provides full featured and user
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friendly input method user interface.
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</para>
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<para>
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The following snippet can be used to configure IBus:
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</para>
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<programlisting>
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i18n.inputMethod = {
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<link linkend="opt-i18n.inputMethod.enabled">enabled</link> = "ibus";
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<link linkend="opt-i18n.inputMethod.ibus.engines">ibus.engines</link> = with pkgs.ibus-engines; [ anthy hangul mozc ];
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};
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</programlisting>
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<para>
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<literal>i18n.inputMethod.ibus.engines</literal> is optional and can be used
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to add extra IBus engines.
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</para>
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<para>
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Available extra IBus engines are:
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</para>
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<itemizedlist>
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<listitem>
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<para>
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Anthy (<literal>ibus-engines.anthy</literal>): Anthy is a system for
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Japanese input method. It converts Hiragana text to Kana Kanji mixed text.
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</para>
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</listitem>
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<listitem>
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<para>
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Hangul (<literal>ibus-engines.hangul</literal>): Korean input method.
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</para>
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</listitem>
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<listitem>
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<para>
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m17n (<literal>ibus-engines.m17n</literal>): m17n is an input method that
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uses input methods and corresponding icons in the m17n database.
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</para>
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</listitem>
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<listitem>
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<para>
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mozc (<literal>ibus-engines.mozc</literal>): A Japanese input method from
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Google.
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</para>
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</listitem>
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<listitem>
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<para>
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Table (<literal>ibus-engines.table</literal>): An input method that load
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tables of input methods.
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</para>
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</listitem>
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<listitem>
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<para>
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table-others (<literal>ibus-engines.table-others</literal>): Various
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table-based input methods. To use this, and any other table-based input
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methods, it must appear in the list of engines along with
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<literal>table</literal>. For example:
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<programlisting>
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ibus.engines = with pkgs.ibus-engines; [ table table-others ];
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</programlisting>
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</para>
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</listitem>
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</itemizedlist>
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<para>
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To use any input method, the package must be added in the configuration, as
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shown above, and also (after running <literal>nixos-rebuild</literal>) the
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input method must be added from IBus' preference dialog.
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</para>
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<simplesect xml:id="module-services-input-methods-troubleshooting">
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<title>Troubleshooting</title>
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<para>
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If IBus works in some applications but not others, a likely cause of this
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is that IBus is depending on a different version of <literal>glib</literal>
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to what the applications are depending on. This can be checked by running
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<literal>nix-store -q --requisites <path> | grep glib</literal>,
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where <literal><path></literal> is the path of either IBus or an
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application in the Nix store. The <literal>glib</literal> packages must
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match exactly. If they do not, uninstalling and reinstalling the
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application is a likely fix.
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</para>
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</simplesect>
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</section>
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<section xml:id="module-services-input-methods-fcitx">
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<title>Fcitx</title>
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<para>
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Fcitx is an input method framework with extension support. It has three
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built-in Input Method Engine, Pinyin, QuWei and Table-based input methods.
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</para>
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<para>
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The following snippet can be used to configure Fcitx:
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</para>
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<programlisting>
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i18n.inputMethod = {
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<link linkend="opt-i18n.inputMethod.enabled">enabled</link> = "fcitx";
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<link linkend="opt-i18n.inputMethod.fcitx.engines">fcitx.engines</link> = with pkgs.fcitx-engines; [ mozc hangul m17n ];
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};
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</programlisting>
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<para>
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<literal>i18n.inputMethod.fcitx.engines</literal> is optional and can be
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used to add extra Fcitx engines.
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</para>
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<para>
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Available extra Fcitx engines are:
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</para>
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<itemizedlist>
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<listitem>
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<para>
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Anthy (<literal>fcitx-engines.anthy</literal>): Anthy is a system for
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Japanese input method. It converts Hiragana text to Kana Kanji mixed text.
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</para>
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</listitem>
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<listitem>
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<para>
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Chewing (<literal>fcitx-engines.chewing</literal>): Chewing is an
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intelligent Zhuyin input method. It is one of the most popular input
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methods among Traditional Chinese Unix users.
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</para>
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</listitem>
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<listitem>
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<para>
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Hangul (<literal>fcitx-engines.hangul</literal>): Korean input method.
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</para>
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</listitem>
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<listitem>
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<para>
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Unikey (<literal>fcitx-engines.unikey</literal>): Vietnamese input method.
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</para>
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</listitem>
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<listitem>
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<para>
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m17n (<literal>fcitx-engines.m17n</literal>): m17n is an input method that
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uses input methods and corresponding icons in the m17n database.
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</para>
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</listitem>
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<listitem>
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<para>
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mozc (<literal>fcitx-engines.mozc</literal>): A Japanese input method from
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Google.
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</para>
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</listitem>
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<listitem>
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<para>
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table-others (<literal>fcitx-engines.table-others</literal>): Various
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table-based input methods.
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</para>
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</listitem>
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</itemizedlist>
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</section>
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<section xml:id="module-services-input-methods-nabi">
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<title>Nabi</title>
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<para>
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Nabi is an easy to use Korean X input method. It allows you to enter
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phonetic Korean characters (hangul) and pictographic Korean characters
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(hanja).
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</para>
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<para>
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The following snippet can be used to configure Nabi:
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</para>
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<programlisting>
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i18n.inputMethod = {
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<link linkend="opt-i18n.inputMethod.enabled">enabled</link> = "nabi";
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};
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</programlisting>
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</section>
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<section xml:id="module-services-input-methods-uim">
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<title>Uim</title>
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<para>
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Uim (short for "universal input method") is a multilingual input method
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framework. Applications can use it through so-called bridges.
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</para>
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<para>
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The following snippet can be used to configure uim:
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</para>
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<programlisting>
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i18n.inputMethod = {
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<link linkend="opt-i18n.inputMethod.enabled">enabled</link> = "uim";
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};
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</programlisting>
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<para>
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Note: The <xref linkend="opt-i18n.inputMethod.uim.toolbar"/> option can be
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used to choose uim toolbar.
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</para>
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</section>
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</chapter>
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