bug#3179: Entering Chinese "zero": add U+3007

[Eli Zaretskii]

> From: Štěpán Němec <stepnem@gmail.com>
> Cc: 3179@debbugs.gnu.org, jidanni@jidanni.org
> Date: Tue, 15 Oct 2019 14:00:35 +0200
> 
> On Tue, 15 Oct 2019 12:51:35 +0300
> Eli Zaretskii wrote:
> 
> > Ming Hua gave no reasoning, and Štěpán said U+3007 is the standard way
> > to write ideographic zero.  But why should we assume the intent here
> > was to use the ideographic zero?
> 
> The intent (to write ideographic zero, not white circle) is quite clear,
> because that's what the key "ling2" means in Mandarin. As is usually the
> case in Chinese, ling2 can also mean a lot of other things, but white
> circle is not one of them.
> 
> You can check with any Chinese or Japanese input method what suggestion
> you get for that key (in Japanese that'd be れい/rei). I, for example,
> use fcitx with mozc for Japanese and sunpinyin for Chinese, both of
> which do the right thing. (I don't normally use Emacs input methods for
> CJK languages, I find quail too limited for those and I suspect the same
> will be the case for other serious users, which might also be the reason
> for the lack of previous feedback.)
> 
> That said, by all means, do check with Handa-san, I'm kind of curious
> myself.

Thanks, I've CC'ed him.