Callum Law 39484e2027 LibWeb: Store font-weight in ComputedProperties in computed form ...

We now also more closely follow the spec when computing values for
font-weight and we now:
 - Support relative lengths in `calc()`s
 - Properly clamp `calc()`s
 - Support relative keywords (e.g. lighter, bolder)
 - Respect that font-weight can be a non-integer number.

This does expose a few false positives in the font-weight-computed.html
WPT test. This is because we don't recompute non-inherited font-weight
within `recompute_inherited_style` which means that relative keyword
values can fall out of sync with their parent's value. These previously
passed as we treated `bolder` and `lighter` as aliases for `bold` and
`normal` respectively.

2025-09-19 10:06:33 +01:00

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