LGTM1
On 12/11/24 11:49 AM, Koji Ishii wrote:
Contact emails
lin...@chromium.org, ko...@chromium.org
Explainer
None
Specification
https://drafts.csswg.org/css-inline-3/#text-edges
Summary
To achieve optical balance of text content, the text-box-trim
and text-box-edge properties, along with the text-box
shorthand property, make finer control of vertical alignment
of text possible. The text-box-trim property specifies the
sides to trim, above or below, and the text-box-edge property
specifies how the edge should be trimmed. These properties
allow developers to control vertical spacing precisely by
using the font metrics. Note that the `ideographic` and
`ideographic-ink`, two values for the text-box-edge property
for CJK, are deferred to future releases due to open issues
currently under discussion.
Blink component
Blink>Layout>Inline
<https://issues.chromium.org/issues?q=customfield1222907:%22Blink%3ELayout%3EInline%22>
TAG review
https://github.com/w3ctag/design-reviews/issues/1021
TAG review status
Pending
Risks
Interoperability and Compatibility
/Gecko/: No signal
(https://github.com/mozilla/standards-positions/issues/1105)
/WebKit/: In development
(https://github.com/WebKit/standards-positions/issues/432)
Available under a flag, original bug
https://bugs.webkit.org/show_bug.cgi?id=245599
/Web developers/: Positive
(https://medium.com/microsoft-design/leading-trim-the-future-of-digital-typesetting-d082d84b202)
https://github.com/markdalgleish/figma-leading-trim
/Other signals/:
WebView application risks
Does this intent deprecate or change behavior of existing
APIs, such that it has potentially high risk for Android
WebView-based applications?
No.
Debuggability
Will this feature be supported on all six Blink platforms
(Windows, Mac, Linux, ChromeOS, Android, and Android WebView)?
Yes
Is this feature fully tested by web-platform-tests
<https://chromium.googlesource.com/chromium/src/+/main/docs/testing/web_platform_tests.md>?
Yes
https://wpt.fyi/results/css/css-inline/text-box-trim?label=experimental&label=master&aligned
<https://wpt.fyi/results/css/css-inline/text-box-trim?label=experimental&label=master&aligned>
Flag name on about://flags
text-box-trim
Finch feature name
CSSTextBoxTrim
Requires code in //chrome?
False
Tracking bug
https://bugs.chromium.org/p/chromium/issues/detail?id=1411581
Estimated milestones
Shipping on desktop 133
DevTrial on desktop 128
Shipping on Android 133
DevTrial on Android 128
Shipping on WebView 133
Anticipated spec changes
Open questions about a feature may be a source of future web
compat or interop issues. Please list open issues (e.g. links
to known github issues in the project for the feature
specification) whose resolution may introduce web
compat/interop risk (e.g., changing to naming or structure of
the API in a non-backward-compatible way).
None.
Link to entry on the Chrome Platform Status
https://chromestatus.com/feature/5174589850648576?gate=5185376392577024
Links to previous Intent discussions
Intent to Prototype:
https://groups.google.com/a/chromium.org/g/blink-dev/c/Sn8TF5KHrRU
This intent message was generated by Chrome Platform Status
<https://chromestatus.com/>.
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