Re: [clreq] Rewrite of Compression Rules for Punctuation Marks 标点符号的挤压 (#221)

@himorin 
> hi, 日本规范 does not 两端各加四分空, but similar to what 港台规范. All of original glyph has 1em but not half em - remove 1/2em (in total) spacing from punctuation (solid setting) and put spacing in between (1/4em by default, could be used for justify).

I understand. In my example, I actually used U+30FB Katakana Middle Dot for the first row (日本规范), which of course had full 1em width. My point is to demonstrate how to go from “Japanese solid setting” to “the end result”, not to explain how to “remove a total of 1/2em for full-width punctuation marks”.

Essentially, we have the following Japanese layout producers:
```
Removing 1/2em space (in total) -> Solid setting -> Add space back
```
My 日本规范 illustration only focuses on the latter half of the above procedures. Otherwise, the discussion would become too convoluted. For Japanese, it is subtracting space to get solid first, then adding space back for adjustments.

I don’t think China (mainland), Taiwan and Hong Kong have the notion of “solid setting” (not in current official documents that I am aware of), so skipping the “subtraction” part seems more appropriate.

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Received on Tuesday, 18 February 2020 05:30:42 UTC