Use LengthOrNormal for column-gap #14297
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Added image-orientation property
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Implemented as per the MDN documentation—I could not find a current CSS draft. I am not sure if this is the complete correct metadata for the longhand helper:
```
<%helpers:longhand name="image-orientation”
experimental=“True”
animatable=“False”>
```
Also I am not sure how to test this and would appreciate help in creating a testing strategy.
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* `LonghandId` and `ShorthandId` are C-like enums
* `Atom` is used for the name of custom properties.
* `PropertyDeclarationId` is the identifier for `PropertyDeclaration`,
after parsing and shorthand expansion. (Longhand or custom property.)
* `PropertyId` represents any CSS property, e.g. in CSSOM.
(Longhand, shorthand, or custom.)
Using these instead of strings avoids some memory allocations and copies.
This allows us to control whether the catchall case in the match expression
that maps Gecko const to Servo enum will be generated.
MozReview-Commit-ID: L65IjTONdfl
Convert column-width to use Either
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* Converted column-width to use `Either<Length, Auto>`
* Added gecko glue code
* Cleaned up old column-width glue code
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use Either type for UrlOrNone
Use the Either type for UrlOrNone
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- [ ] These changes fix#14298 (github issue number if applicable).
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transition is the same as the end value for a running transition per
CSS-TRANSITIONS § 3.
Besides being contrary to spec, the old behavior could cause a cascade
of CSS transitions incorrectly triggering themselves when calls to
`getComputedStyle()` were intermingled with them.
Improves performance of nytimes.com.
fix test-tidy errors
fix style unit test
use the Parse trait instead of ParseWithContext
fix stylo test and geckolib build
move all specified url parse code to parse trait and remove refs to unused type
Implement 3 more properties for stylo
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Implemented these new properties:
1. Implemented parsing/serialization and stylo glue for `background-blend-mode`.
2. Made `align-items` work for stylo.
3. Implemented parsing/serialization for `-moz-column-rule`.
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stylo - implement -webkit-text-fill-color and -webkit-text-stroke.
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Implement -webkit-text-fill-color property.
Implement -webkit-text-stroke property, along with -webkit-text-stroke-width and -webkit-text-stroke-color longhand properties.
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Property declaration block serialization should check for importance
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r? @emilio , @Manishearth
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Only allow border-image-outset to use non-negative numbers.
Restricts border-image-outline to only allow positive values.
Fixes#14295
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Implement parsing/serialization and/or gecko glue for some properties
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The PR covers implementation and/or gecko glue for these properties:
1. Implemented parsing/serialization and gecko glue for column-rule-width, column-rule-color and column-span longhand properties (column-span is not implemented in gecko yet but I wanted to complete column properties :) )
2. Implemented parsing/serialization and gecko glue for text-emphasis-color longhand and text-emphasis shorthand properties.
3. Implemented gecko glue for column-gap and order properties
I implemented column-rule-width and column-rule-color properties with `-moz-` prefixes, but I can remove them if it's not right.
I coudn't test them in full stylo build yet (LLVM messed up my current clang). But I'll test them soon.
r? @Manishearth or @emilio
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