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Explainer
https://github.com/tc39/proposal-intl-segmenter

Specificationhttps://tc39.github.io/proposal-intl-segmenter/

Design docs
https://docs.google.com/document/d/1xugLpLmgRFnNXK8ztariTAbD2IXueDw1T3VNuuZCz8k/edit#heading=h.xgjl2srtytjt
https://docs.google.com/presentation/d/1X2zBU3bZ4ergVMWfubCsdnHFzeaDgqiTRJVgvNGjQBs/edit#slide=id.p

TAG reviewreview by ECMA402

SummaryIntl.Segmenter implements methods for finding the location of
boundaries in text, including grapheme, line, word and sentence boundary
analysis.

MotivationCurrently, chrome is shipped with Intl.v8BreakIterator - a non
standard way for similar functionality. According to
https://www.chromestatus.com/metrics/feature/timeline/popularity/556 on
2020 Feb there are 0.74% of the web page use it. Intl.Segmenter is the web
standard to replace it.

Risks


Interoperability and CompatibilityThe specification is moved to Stage 3 in
TC39 2020-Jul meeting with support from ECMA402.

*Gecko*: In development (
https://bugzilla.mozilla.org/show_bug.cgi?id=1423593)

*WebKit*: No signal

*Web developers*: No signals

ErgonomicsEngineer from Apple believe we should not add line break support
to the Intl.Segmenter because the developer may abuse the API and perform
text layout by themselves instead of depending on CSS. The line break
feature then were removed from the specification in the current shape.


Will this feature be supported on all six Blink platforms (Windows, Mac,
Linux, Chrome OS, Android, and Android WebView)?Yes

Is this feature fully tested by web-platform-tests
<https://chromium.googlesource.com/chromium/src/+/master/docs/testing/web_platform_tests.md>
?Yes https://github.com/tc39/test262/tree/master/test/intl402/Segmenter

Link to entry on the Chrome Platform Status
https://www.chromestatus.com/feature/6099397733515264

This intent message was generated by Chrome Platform Status
<https://www.chromestatus.com/>.

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