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CLDR Ticket #10809(new)

Opened 11 months ago

Last modified 9 months ago

Transform ja-Latn-t-ja-hrkt-m0-bgn does not handle iteration marks

Reported by: sascha Owned by: sascha
Component: transliteration Data Locale: ja
Phase: rc Review:
Weeks: Data Xpath:


Should our implementation of the BGN Japanese romanization rules handle Kana iteration marks?

Kana uses different iteration marks; one for hiragana, ゝ, and one for katakana, ヽ. The hiragana iteration mark is seen in some personal names like さゝき Sasaki or おゝの Ōno, and it forms part of the formal name of the car company Isuzu (いすゞ).

Unlike the kanji iteration marks, which do not reflect sound changes, kana iteration marks closely reflect sound, and the kana iteration marks can be combined with the dakuten voicing mark to indicate that the repeated syllable should be voiced, for example みすゞ Misuzu. If the first syllable is already voiced, for example じじ jiji, the voiced repetition mark still needs to be used: じゞ rather than じゝ, which would be read as jishi.

While widespread in old Japanese texts, the kana iteration marks are generally not used in modern Japanese outside proper names, though they may appear in informal handwritten texts.

The 1976 version of the BGN/PCGN rules had required romanization of such iteration marks; see the section “Special Marks” at the top of page 45 in http://libraries.ucsd.edu/bib/fed/USBGN_romanization.pdf. However, the updated 2015 version http://geonames.nga.mil/gns/html/Romanization/Romanization_Japanese_2015.pdf is silent on iteration marks.

There seems to be no harm in implementing iteration marks, and (other than what Wikipedia wrote above) a quick web search shows that they’re occasionally used in Japanese documents on the web. So I’d think we should support them.


Change History

comment:1 Changed 11 months ago by sascha

  • Summary changed from Transform ja-Latn-t-ja-hrkt-m0-bgn does not iteration marks to Transform ja-Latn-t-ja-hrkt-m0-bgn does not handle iteration marks

comment:2 Changed 11 months ago by mark

  • Owner changed from anybody to sascha
  • Phase changed from dsub to rc
  • Priority changed from assess to medium
  • Milestone changed from UNSCH to 33

comment:3 Changed 9 months ago by sascha

  • Milestone changed from 33 to UNSCH

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