[csswg-drafts] [css-text-3] Segment Break Transformation Rules for East Asian Width property of A

hax has just created a new issue for 
https://github.com/w3c/csswg-drafts:

== [css-text-3]  Segment Break Transformation Rules for East Asian 
Width property of A ==
https://drafts.csswg.org/css-text-3/#line-break-transform
> Otherwise, if the East Asian Width property [UAX11] of both the 
character before and after the line feed is F, W, or H (not A), and 
neither side is Hangul, then the segment break is removed.

As this rule, common use cases of quotation marks in Chinese
```
简体中文的
“引号”
两边不应该有空格。
```
will have unexpected spaces, because quotation marks are *A*.

Ideally, we should consider the language information of the context. 
If the context is East Asian language, *A* should be treat as *W*. 
Even in the unknown language context, if any side of the line feed is 
*A* and other side is *F*, *W* or *H*, the segment break should also 
be removed.



Please view or discuss this issue at 
https://github.com/w3c/csswg-drafts/issues/337 using your GitHub 
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