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HTML Standard
This monster completely rewrites everything to do with navigation and traversal. It introduces the "navigable" and "traversable navigable" concepts, which take on many of the roles that browsing contexts previously...
There is no standard way to create a proper separator or dividing line within the box created using ``. Currently, the most common solution is to just put some hyphens...
Testing shows that the label of an optgroup does not contribute to the intrinsic size of a select element, in Chrome and Safari. For example: ```html First Second ``` In...
Per the [dialog initial focus proposal](https://github.com/whatwg/html/wiki/dialog--initial-focus,-a-proposal), this unresolved comment has been moved here for further discussion: >In particular, authors must not include large blocks of text directly in dialog elements,...
Currently the HTML Standard seems a bit US centric: The [autocomplete attribute](https://html.spec.whatwg.org/multipage/form-control-infrastructure.html#autofill) supports the `street-address` type for an unstructured street address or `address-line1`, `address-line2` and `address-line3` for the respective lines....
Consider this example: https://software.hixie.ch/utilities/js/live-dom-viewer/saved/10227 (HTML reproduced below). According to the specification the `canvas`'s intrinsic dimensions should end up being those of the image and those should also be used for...
Given this example: `data:text/html,input:in-range { appearance: none; border: 1px solid red; }` `:in-range` seems to be affected by whether an input is readonly, which makes sense when you read: >...
This allows web developers to omit the `sizes` attribute, or explicitly specify `sizes=auto`, for `` elements that have `loading=lazy`. The browser will use the layout width of the image as...
Similar to https://github.com/whatwg/html/issues/6807 but for `` / `` There's no way without JS to specify that a listbox `select` should have the same height as its contents. Anecdotal example of...