[Libreoffice-bugs] [Bug 116577] Provide new Space opportunity algorithm for CJK text layout.

[bugzilla-daemon at bugs.documentfoundation.org]

https://bugs.documentfoundation.org/show_bug.cgi?id=116577

--- Comment #4 from Mark Hung <marklh9 at gmail.com> ---
(In reply to Volga from comment #3)
> OK, let me explain. This algorithm is an improvement for "Apply spacing
> between Asian and non-Asian text" functionality, this algotithm will make
> the width of this spacing match the width of space in a western text font,
> rather than fixed width.

Is there any other software padding this way, or any source suggesting that?

There is no standard for the width of kerning inserted between CJK and other
scripts, but CLREQ said it is up to a quarter of the width of a Han character:

https://www.w3.org/TR/clreq/
3.2.4 Handling Western Text in Chinese Text Using Proportional Western Fonts
Tracking or spacing between a Han character and a Western letter or numeral is
up to a quarter of the width of a Han character.

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