Re: [csswg-drafts] [css-writing-modes] Support rtl Chinese (#2754)

Seeking various (yes, various....) old Japanese newspapers and magazines, I think I found two samples which has Japanese comma in horizontal RTL. Both seems to use opposite spacing for comma (red circled in images).

![image](https://user-images.githubusercontent.com/3918572/52615420-81fa7800-2ed8-11e9-9467-af69a31744ab.png)
source: https://twitter.com/aya_nyw19/status/782203672109289472 (advertizements in magazine "Weekly Asahi" at 1939 Showa-era)

![image](https://user-images.githubusercontent.com/3918572/52615526-daca1080-2ed8-11e9-8fb9-beb30398c7ad.png)
source: https://imgur.com/r/newsokunomoral/Vvyzk (advertizements in magazine "Comrades" at 1921 Taisho-era)

As in article @r12a pointed (one at sljfaq.org), originally Japanese horizontal text was 
> a special form of tategaki, with one-character columns going from right to left
(so every vertical line are line-breaked by one character) and normally used only for signboards or headings (of e.g. newspaper), so I suppose usually no comma nor period is included...
In an article on punctuation by ministry of education at 1906 (http://dl.ndl.go.jp/info:ndljp/pid/903921), no definition seems made for horizontal. Interestingly, as in page 11 (9th photo), bullet was not in the center, so what we saw in [sample](https://upload.wikimedia.org/wikipedia/commons/f/f6/RIKEN_VITAMIN.png) as de-centered dot or something could be actually a dot but not at the center of full boundary.
Newer [article on punctuation by ministry of education at 1946](http://dl.ndl.go.jp/info:ndljp/pid/1126388) has 4 punctuation definition for horizontal, but it uses English like comma (",") but not one like for vertical ("、").

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Received on Tuesday, 12 February 2019 06:55:45 UTC