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89 [css-values] Define `mix()` with `<declaration-value>` · Issue #8096 · w3c/csswg-drafts · GitHub
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[css-values] Define mix() with <declaration-value> #8096

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Loirooriol opened this issue Nov 18, 2022 · 2 comments
Closed

[css-values] Define mix() with <declaration-value> #8096

Loirooriol opened this issue Nov 18, 2022 · 2 comments
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Closed Accepted as Obvious Bugfix css-values-4 Current Work

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@Loirooriol
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https://drafts.csswg.org/css-values-4/#interpolate

mix( <percentage> ';' <start-value> ';' <end-value> )
  • <start-value>
    The value at the “start” (0%) of the interpolation range.
  • <end-value>
    The value at the “end” (100%) of the interpolation range.

It doesn't say what's the grammar for <start-value> and <end-value>.

I think they should be defined to be equivalent to <declaration-value>, or just use <declaration-value> directly.

Related: #8091
@Loirooriol Loirooriol added the css-values-4 Current Work label Nov 18, 2022
@cdoublev
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Aside:

I think w3c/reffy is not able to extract its production rule because its syntax does not have the usual structure <name> = rule, ie:

mix( <percentage> ';' <start-value> ';' <end-value> )

instead of:

<mix()> = mix( <percentage> ';' <start-value> ';' <end-value> )

Do you want this simplified form to be recognized by w3c/reffy?

@tabatkins
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I think they should be defined to be equivalent to <declaration-value>

Yes.

Do you want this simplified form to be recognized by w3c/reffy?

No, we should fix the markup.

tabatkins added a commit that referenced this issue Jan 30, 2023
@tabatkins
[css-values-4] Use <decl-value> for mix(). Fix the grammar. Remove ve…
845cbe3 
…rsion from css-values-5. #8096
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@tabatkins @Loirooriol @cdoublev








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