XLIFF

Last updated
XLIFF
Filename extension
.xlf
Internet media type
before 2.0: application/x-xliff+xml (private), 2.0 and after: application/xliff+xml (standard tree)
Latest release
2.1 [1]
13 February 2018;6 years ago (2018-02-13)
Extended from XML
Standard OASIS Standard, also ratified as ISO 21720:2017
Website http://docs.oasis-open.org/xliff/xliff-core/v2.1/os/xliff-core-v2.1-os.html

XLIFF (XML Localization Interchange File Format) is an XML-based bitext format created to standardize the way localizable data are passed between and among tools during a localization process and a common format for CAT tool exchange. The XLIFF Technical Committee (TC) first convened at OASIS in December 2001 (first meeting in January 2002), [2] but the first fully ratified version of XLIFF appeared as XLIFF Version 1.2 in February 2008. Its current specification is v2.1 [1] released on 2018-02-13, which is backwards compatible with v2.0 released on 2014-08-05.

Contents

The specification is aimed at the localization industry. It specifies elements and attributes to store content extracted from various original file formats and its corresponding translation. The goal was to abstract the localization skills from the engineering skills related to specific formats such as HTML. [3]

XLIFF is part of the Open Architecture for XML Authoring and Localization (OAXAL) reference architecture.

XLIFF 2.0 and higher (the current OASIS ratified format)

The XLIFF Technical Committee (TC) is currently preparing to start working on XLIFF Version 2.2. [4] Prior to making of the major new version 2.0, feedback was gathered from XLIFF's user community which was integrated into the following generation version of the standard. Two of the primary methods used included compiling a list of extensions used by XLIFF toolmakers, and compiling a list of XLIFF features supported by each XLIFF tool.

On February 13, 2018 XLIFF 2.1 specification became an OASIS Standard. [5]

In November, 2017 XLIFF 2.0 specification was approved as ISO 21720:2017. [6]

On August 6, 2014 the XLIFF 2.0 specification became an OASIS Standard. [7]

On May 6, 2014, the XLIFF 2.0 specification was moved [8] to Candidate OASIS Standard. [9]

Example of an XLIFF 2.0 document:

<xliffxmlns="urn:oasis:names:tc:xliff:document:2.0"version="2.0"srcLang="en-US"trgLang="ja-JP"><fileid="f1"original="Graphic Example.psd"><skeletonhref="Graphic Example.psd.skl"/><unitid="1"><segment><source>Quetzal</source><target>Quetzal</target></segment></unit><unitid="2"><segment><source>AnapplicationtomanipulateandprocessXLIFFdocuments</source><target>XLIFF文書を編集、または処理するアプリケーションです。</target></segment></unit><unitid="3"><segment><source>XLIFFDataManager</source><target>XLIFFデータ・マネージャ</target></segment></unit></file></xliff>

XLIFF 1.2 - legacy format

An XLIFF 1.2 [10] document is composed of one or more <file> elements. Each <file> element corresponds to an original file or source (e.g. database table). A <file> contains the source of the localizable data and, once translated, the corresponding localized data for one, and only one, locale.

Localizable data is stored in <trans-unit> elements. The <trans-unit> element holds a <source> element to store the source text, and a <target> element to store the latest translated text. The <target> elements are not mandatory.

<trans-unitid="1"><sourcexml:lang="en">Cannotfindthefile.</source><targetxml:lang="fr">Fichiernontrouvé.</target></trans-unit>

The example below shows an XLIFF document storing text extracted from a Photoshop file (PSD file) and its translation to Japanese:

<xliffversion="1.2"><fileoriginal="Graphic Example.psd"source-language="en-US"target-language="ja-JP"tool="Rainbow"datatype="photoshop"><header><skl><external-fileuid="3BB236513BB24732"href="Graphic Example.psd.skl"/></skl><phase-group><phasephase-name="extract"process-name="extraction"tool="Rainbow"date="20010926T152258Z"company-name="NeverLand Inc."job-id="123"contact-name="Peter Pan"contact-email="ppan@example.com"><note>MakesuretousetheglossaryIsentyouyesterday. Thanks.</note></phase></phase-group></header><body><trans-unitid="1"maxbytes="14"><sourcexml:lang="en-US">Quetzal</source><targetxml:lang="ja-JP">Quetzal</target></trans-unit><trans-unitid="3"maxbytes="114"><sourcexml:lang="en-US">AnapplicationtomanipulateandprocessXLIFFdocuments</source><targetxml:lang="ja-JP">XLIFF文書を編集、または処理 するアプリケーションです。</target></trans-unit><trans-unitid="4"maxbytes="36"><sourcexml:lang="en-US">XLIFFDataManager</source><targetxml:lang="ja-JP">XLIFFデータ・マネージャ</target></trans-unit></body></file></xliff>

See also

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References

  1. 1 2 "XLIFF Version 2.1". docs.oasis-open.org.
  2. ↑ OASIS XML Localisation Interchange File Format Technical Committee. "XLIFF TC Charter". OASIS. Retrieved 2020-07-28.
  3. ↑ Bert Esselink (2003). The Evolution of Localization (PDF). Guide to Localization. Multilingual Computing and Technology. Does the popularity of XLIFF signal a trend? Throughout the 1990s, the localization industry tried to turn translators into semi-engineers. Is it now expecting them to just translate again? It certainly looks that way.
  4. ↑ "FeatureTracking - XLIFF Wiki". wiki.oasis-open.org.
  5. ↑ "#XLIFF V2.1 becomes an OASIS Standard | OASIS". www.oasis-open.org.
  6. ↑ "ISO 21720:2017". ISO.
  7. ↑ "XLIFF Version 2.0 becomes an OASIS Standard | OASIS". www.oasis-open.org.
  8. ↑ "60-day Public Review for XLIFF Version 2.0 Candidate OASIS Standard - en". lists.oasis-open.org.
  9. ↑ "XLIFF Version 2.0". docs.oasis-open.org.
  10. ↑ "XLIFF 1.2 Specification". docs.oasis-open.org.
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