Re: [csswg-drafts] [css-overflow-3] Clarify padding-bottom in overflow content (#129)

I'm [fixing this webcompat issue](https://groups.google.com/g/mozilla.dev.platform/c/J9O9oT6Y64U/m/P1yfpBysAQAJ) for gecko. I update @bfgeek's compat table in the [previous comment](https://github.com/w3c/csswg-drafts/issues/129#issuecomment-697691447) based my test. Please let me know if there's any error.
| Testcase                                                                                                    | Blink (inline-end)     | Blink (block-end)      | WebKit (inline-end) | WebKit (block-end)     | Gecko (inline-end)     | Gecko (block-end)      |
|-----------------------------------------------------------------------------------------------------|------------------------|------------------------|---------------------|------------------------|------------------------|------------------------|
| [block-flow (inline-level)](https://www.software.hixie.ch/utilities/js/live-dom-viewer/?saved=8499) | padding                | padding                | padding             | padding                | none [3]               | padding                |
| [block-flow (block-level)](https://www.software.hixie.ch/utilities/js/live-dom-viewer/?saved=8496)  | none                   | child-margin + padding | none                | child-margin + padding | none [3]               | child-margin + padding |
| [flex](https://www.software.hixie.ch/utilities/js/live-dom-viewer/?saved=8497)                      | child-margin + padding | child-margin + padding | none                | child-margin + padding | child-margin + padding | child-margin + padding |
| [grid](https://www.software.hixie.ch/utilities/js/live-dom-viewer/?saved=9117)                      | none [1]               | none [1]               | none                | child-margin + padding | none [2]               | none [2]               |

(For the "block-flow (inline-level)" case "child-margin + padding" == "padding").

* Blink (Google Chrome 91.0.4459.0)
* WebKit (Safari Technology Preview, Safari 14.2, WebKit 16612.1.6.2)
* Gecko (Firefox Nightly 89, 2021-03-26)
* Omit EdgeHTML because I don't test it.

[1] Blink is planning to change grid to "child-margin + padding" in both axes in GridNG (from my communication with @bfgeek)
[2] Gecko is planning to change grid to "child-margin + padding" in both axes, too. Tracking in [Bug 1527539](https://bugzilla.mozilla.org/show_bug.cgi?id=1527539).
[3] Both Blink and WebKit are not consistent on whether the inline-end padding is added in block-flow (yes for inline-level, no for block-level), so Gecko is waiting until there's resolution for this issue. Tracking in [Bug 1700858](https://bugzilla.mozilla.org/show_bug.cgi?id=1700858).



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Received on Friday, 26 March 2021 21:46:41 UTC