Guillaume

Difference between alias and mapping

9

Sorry to draw attention to such a small detail, but the difference between alias and mapping is not clear to me. [CSS Cascade](https://drafts.csswg.org/css-cascade-5/#legacy-name-alias) defines that an alias is replaced by...

[css-properties-values-api] `initial-value` for `*` with arbitrary substitution values

1

If I understand the spec correctly, [`initial-value`](https://drafts.css-houdini.org/css-properties-values-api-1/#initial-value-descriptor) does not require to be validated when `syntax` is `*`. But in Chrome, given the CSS rules below: - the first rule is...

This suggests that they are equivalent to running multiple `registerProperty()` with the same name: > Valid `@property` rules result in a registered custom property, **as if `registerProperty()` had been called...

[css-properties-values-api-1] `CSSPropertyRule.initialValue` should not be nullable

1

The spec says it is nullable / it may not be present: > `initialValue, of type CSSOMString, readonly, nullable` > > The initial value associated with the `@property` rule, which...

I am sorry because the following situation is rather unlikely... ```css @property --custom { inherits: false; syntax: ''; syntax: ''; initial-value: 1; initial-value: 1px; } ``` ... but is it...

[css-properties-values-api] Use the appropriate ref link for "parse"

1

I do not think the value of `initial-value` should be parsed with *consume a syntax definition*, but with *parse something according to a CSS grammar (aka simply parse)*.

Is it possible to add some HTML markup around the [`layout()`](https://drafts.css-houdini.org/css-layout-api-1/#valdef-display-layout) definition in order to be crawled and extracted by `w3c/reffy` with `layout()` as its value definition, and as a...

[css-color-4] How to handle infinite values in color functions?

2

Unless otherwise specified, color channel values are not clamped, which applies to values produced by math functions, which can be infinite. Infinite color channel values produce `NaN` in most conversion...

- removed *3.2.2. The scroll-start-target **shorthand*** and moved up its content (the property definition table) - removed remnants of `scroll-start-target-*` longhands (removed in #10227)

It seems that a `function` and functional `type` (ending with `()>`) cannot be [inferred](https://speced.github.io/bikeshed/#dfn-types) (*does it end with `()`?* *Is it surrounded by ``?*), according to the result from processing...