[scroll-animations-1] Add auto duration and animation ranges to explainer #8763
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…iner This adds sections explaining the addition of automatically fitting an auto duration to a scroll timeline or view timeline and the introduction of a ranges section to explain animation ranges.
scroll-animations-1/EXPLAINER.md
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| #### Exclusive end ranges | ||
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| In Web Animations, ranges have exclusive ends to |
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This might need more clarification. Only one of the boundaries of the active range is exclusive based on the playback rate.
Not clearly stated why it is problematic for ScrollTimelines.
Would the following be clearer:
An exception is made for a ScrollTimeline with an active range that fills the scroll range to avoid the effect from becoming inactive at the scroll boundary. Since unable to scroll past the boundary no special accommodation is needed to facilitate animations intersecting at the boundary.
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Done, I've updated this section using similar text to what you recommended. Your link didn't seem to work, but I instead linked to the spec section on progress timeline boundary.
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My link was just a ... placeholder :)
This adds sections explaining the addition of automatically fitting an auto duration to a scroll timeline or view timeline and the introduction of a ranges section to explain animation ranges.