w3c / w3c/csswg-drafts

[css-zoom?] zoom: document

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Description

WebKit has an exposed zoom: document value which basically "resets" the zoom from ancestors.

This was implemented in https://github.com/WebKit/Webkit/commit/80334b6c1b121ea0384f19699242d7095d26ca60, but since then Blink must've removed it.

@chrishtr do you know when / why it was removed? I found this useful for scrollbar parts when implementing in Gecko, though I'm not sure there's a more general use case.

cc: https://github.com/w3c/csswg-drafts/issues/5623 @chrishtr @lilles @smfr @tabatkins @atanassov

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First steps

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  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start with the referenced WebKit commit and CSSWG issue 5623, then investigate when and why Blink removed the exposed zoom: document value. Done means reaching a documented resolution on whether the value has a supported use case and should be specified or restored.

Written by the indexing model from the issue text.

Assessment

Tech stack
css
Domain
web-dev
Issue type
Feature
Difficulty
5/5
Estimated time
Over a week
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
20/100

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