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500ca417ce
This requires us to front load computation of writing-mode and direction
before we encounter any logical aliases or their physical counterparts
so that we can create a mapping context.
Doing this at compute rather than cascade time achieves a few things:
1) Brings us into line with the spec
2) Avoids the double cascade that was previously required to compute
mapping contexts
3) We now compute values of logical aliases, while
`style_value_for_computed_property` maps logical aliases to their
physical counterparts, this didn't account for all cases (i.e. if
there was no layout node, Typed OM, etc).
4) Removes a hurdle to moving other upstream processes (i.e. arbitrary
substitution function resolution, custom property computation) to
compute time as the spec requires.
2 lines
5 B
Plaintext
2 lines
5 B
Plaintext
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