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Complex numeric expression in vertically written text #279

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c933103 opened this issue Jun 18, 2021 · 3 comments
Open

Complex numeric expression in vertically written text #279

c933103 opened this issue Jun 18, 2021 · 3 comments
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question Questions about how Japanese works. These issues should be tracked in i18n-activity tracker.

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@c933103
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c933103 commented Jun 18, 2021

(Re-posting to spin off from another issue)
In certain ebook from Kadokawa I have encountered the following way to express "-196°C" in the form of 縦中横 inside a vertically written book (first column in the screenshot). I feel like this is hard to comprehend when being put this way but is there better ways to express the number?
Screenshot_20210617-151812_Kindle.jpg

@c933103 c933103 added the question Questions about how Japanese works. These issues should be tracked in i18n-activity tracker. label Jun 18, 2021
@KobayashiToshi
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KobayashiToshi commented Jun 18, 2021 via email

@kidayasuo
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Thank you @c933103. Will remove the corresponding posts from #276.

@kidayasuo
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In sum, to vertically layout the "-196℃", @KobayashiToshi san recommends:

  • Use U+2212 MINUS SIGN instead of U+FF0D FULLWIDTH HYPHEN-MINUS
  • If it is three digits make each digit upright. Usually Tate-chu-yoko is recommended for up to two digits.
  • Using the combining character "℃" is ok. Alternatively use "°" and "C" and make the whole part rotated 90° like English words.
  • Alternatively, it could be spelled out like "マイナスセ氏一九六度".

He also explained that there is no definite right or wrong here. Certain genres of books have common rules but otherwise it is up to the author or the editor's discretion.

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Labels
question Questions about how Japanese works. These issues should be tracked in i18n-activity tracker.
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