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[css-text-4] Make autospace a property, rather than a value of text-spacing #7183
Description
Character Class Spacing: the text-spacing property
The following comments have been moved from #6950
I see a couple of things that could be provided for users if autospace were a property rather than being just one of the many values in the text-spacing property, and in fact when trying to describe how to manage inline spacing in Japanese i actually found it intuitive and simpler to handle autospacing separately from other text-spacing values (see https://r12a.github.io/scripts/jpan/#letterspace ff.). I'll note also that many years ago when CSS did define an autospace feature and IE implemented it, it was defined as a property, afair.
The following practical use cases seem hard to support if autospace is a value of text-spacing.
[1] It doesn't appear to be (certainly easily, but maybe not at all) possible to have, for example, autospacing set for the document as a whole (by default or by a style declaration), and then turn it off for some parts of the content.
[2] Given that the gap used for autospacing is usually smaller than the width of a space character, it may be desirable to apply autospacing to content that has been written where space characters have been used to separate alphanum and han text in order to reduce the size of the gaps. This can also be useful to standardise the layout if space characters have been used in some parts of the text and not others. For dealing with such content it would probably be useful to have a feature that replaces the space characters with an autospace gap.
[3] The size of the gap used for autospacing can vary, depending on the preference of the publisher. There needs to be a way of specifying the width of the gap to be used.
It seems to me that having an autospace property with values such as <width>|none|replace-space would make it easier to handle these use cases, and to boot be more intuitive for content authors.
Activity
r12a commentedon Mar 31, 2022
The i18n WG discussed this during their telecon and decided to change the tracking label.
r12a commentedon Mar 31, 2022
During the telecon we were also reminded that sometimes autospacing may be applied around numbers only, or around non-Han text only, so the values of an autospace property would also need to allow for the various combinations that that involves.
xfq commentedon Apr 20, 2022
The clreq group briefly discussed this issue and support this direction.
litherum commentedon Sep 12, 2022
One thing that would help me understand this request is to list, explicitly, which specific value(s) of the
text-spacingproperty you're proposing to move.aphillips commentedon Sep 12, 2022
I18N discussed in our TPAC meeting briefly. Notes are located here
[css-text-4] Redesign text-spacing
fantasai commentedon Feb 28, 2023
I believe:
insertandreplacekeywords intext-autospace.@r12a Are you okay to close out this issue or is there something I missed?
r12a commentedon Jun 26, 2024
LGTM. Thank you. Sorry for the delay in responding.