[Bug 28661] U+2212 in shift_jis encoder

https://www.w3.org/Bugs/Public/show_bug.cgi?id=28661

--- Comment #23 from Kent Tamura <tkent@chromium.org> ---
(In reply to Jungshik Shin from comment #20)
> tkent@ : I couldn't enter U+2212 on Mac OS 10.10 with Japanese IME -
> Hiragana, Romaji, Katakana (in both English UI and Japanese UI). Can you
> tell me how to enter U+2212? 

Enable Hiragana with Kotoeri, or Hiragana with Google Japanese Input, then type
"1-2-3".  It puts U+FF11 U+2212 U+FF12 U+2212 U+FF13.


> What I got is U+30FC (Hiragana-Katakana prolonged sound mark), which is
> rather strange. 
> 
> BTW, one of choices I got for '~' with 'Hiragana' is  U+301C (Wave Dash),
> which is not included in the current table for Shift_JIS although there's a
> fallback mapping (encoding-only) in ICU's converter. (see the previous
> comment).  Obviously, wave dash won't be used as often as U+2212 in postal
> code.

Other one-way mapping characters are not important at all.  I have no idea of
use cases in web forms.

(In reply to Jungshik Shin from comment #22)
> While we're at it, I propose that we do the same for EUC-JP and ISO-2022-JP.
> (add an one-way encoding-only mapping for U+2212). 

It's very reasonable.

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Received on Tuesday, 2 June 2015 08:32:01 UTC