Thanks, but I guess the space width would be fixed.

I just found a hack: 口口\hspace[big]\hbox{}口口 does the trick.

On Tue, 21 Feb 2023 at 06:46, fv leung via ntg-context <ntg-context@ntg.nl>
wrote:

> Maybe the ideographic space U+3000 works.
>
> 在 2023年2月21日週二 03:42，Sylvain Hubert via ntg-context <ntg-context@ntg.nl>
> 寫道：
>
>> Dear list,
>>
>> Does anyone know how to insert a horizontal space in a CJK document with
>> \setscript[hanzi]?
>>
>> \setscript[hanzi]
>> \definefontfamily[mainface][rm][notoserifcjkhk][]
>> \setupbodyfont[mainface]
>> \starttext
>> 口口\hspace[big]口口   % with \setscript[hanzi], the \hspace is ignored
>>
>> \dorecurse{100}{口}  % without \setscript[hanzi], the line is not properly
>> wrapped
>> \stoptext
>>
>> Many thanks,
>> Sylvain
>>
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