> Dear Hans,
>
> I found that ConTeXt injected two infinity penalties between a close
> punctuation and a open punctuation, for example between `”` and `“`, or
> between `：` and `“`, so can not break at these places, as showed in
> following doc. But actually, we may sometimes need to do so. Please note
> that there is no space around full width punctuations in Chinese document.

you can try this in scrp-cjk.lua (remake the format)

local chinese_8 = {
     jami_initial     = nobreak_shrink_break_stretch,
     korean           = nobreak_autoshrink_break_stretch,
     chinese          = stretch_break, -- nobreak_autoshrink_break_stretch,
     hiragana         = stretch_break, -- nobreak_autoshrink_break_stretch,
     katakana         = stretch_break, -- nobreak_autoshrink_break_stretch,
     half_width_open  = nobreak_autoshrink_break_stretch_nobreak_autoshrink,
half_width_open  = stretch_break,
     half_width_close = nobreak_autoshrink_nobreak_stretch,
     full_width_open  = nobreak_autoshrink_break_stretch_nobreak_shrink,
     full_width_close = nobreak_autoshrink_nobreak_stretch,
     full_width_punct = nobreak_autoshrink_nobreak_stretch,
     hyphen           = nobreak_autoshrink_break_stretch,
     non_starter      = nobreak_autoshrink_break_stretch,
     other            = nobreak_autoshrink_break_stretch,
}

> doc for example:
>
> ```lmtx
> \setscript[hanzi]
> \usetypescriptfile[mscore]
> \usebodyfont   [mschinese,20pt]

can you upgrade the chiese section in that file for windows 10+ as the
old fonts are gone

(i tested with \definedfont[file:mingliu.ttc*chinese @ 10pt])