Contact emails
fw...@chromium.org
Explainer
None
Specification
https://w3c.github.io/mathml-core/#entry-in-table-or-matrix-mtd
Summary
Implement attributes to specify the number of columns and rows that a
MathML table cell is to span. This is similar to HTML colspan/rowspan
attributes and does not have equivalent CSS properties.
Blink component
Blink>MathML
<https://bugs.chromium.org/p/chromium/issues/list?q=component:Blink>MathML>
TAG review
None
TAG review status
Not applicable
Risks
Interoperability and Compatibility
/Gecko/: Shipped/Shipping
(https://developer.mozilla.org/en-US/docs/Web/MathML/Element/mtd#browser_compatibility)
Mozilla positioned negatively about renaming
https://github.com/mozilla/standards-positions/issues/74
/WebKit/: Shipped/Shipping
(https://developer.mozilla.org/en-US/docs/Web/MathML/Element/mtd#browser_compatibility)
/Web developers/: Positive
/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?
Goals for experimentation
Ongoing technical constraints
Debuggability
Will this feature be supported on all six Blink platforms
(Windows, Mac, Linux, Chrome OS, 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>?
Tests are added in
https://chromium-review.googlesource.com/c/chromium/src/+/4061476
However, advanced parsing such as checking the max limits 1000 and 65534
defined in HTML is a bit tedious as MathML does not have an IDL for
tables yet (
https://github.com/w3c/mathml-core/issues/166#issuecomment-1411721093
<https://github.com/w3c/mathml-core/issues/166#issuecomment-1411721093><https://github.com/w3c/mathml-core/issues/166#issuecomment-1411721093>
) so for now they are written as internal tests.
Flag name on chrome://flags
Finch feature name
Non-finch justification
None
Requires code in //chrome?
False
Estimated milestones
Shipping on desktop 117
Shipping on Android 117
Shipping on WebView 117
Link to entry on the Chrome Platform Status
https://chromestatus.com/feature/5157467960377344
Links to previous Intent discussions
--
Frédéric Wang
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