[selectors-4] Clarify :blank application to radio buttons etc.
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Description
Andrew Fedoniouk points out that it's not entirely clear whether/how :blank applies to radio buttons etc.
https://lists.w3.org/Archives/Public/www-style/2018Nov/0028.html
We should clarify this. Some options are:
- :blank checks the 'value' on radio buttons and checkboxes; :not(:blank) effectively always applies
-:not(:blank) applies when a radio button or checkbox is has a non-blank 'value' and is checked (will submit if not disabled); :blank applies otherwise - :blank applies to each input element in a group when no radio button or checkbox in its group is checked
Probably the most simple definition is 1; it largely falls out of the existing definition. However the last definition is perhaps more useful. It would be good to hear from authors here what they expect.
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start by reading this issue and the linked www-style discussion to understand the competing interpretations of :blank for radio buttons and checkboxes. Resolve which behavior authors and the specification should adopt, then update the relevant editor-draft text so the rule is explicit.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- css
- Domain
- documentation
- Issue type
- Documentation
- Difficulty
- 5/5
- Estimated time
- Over a week
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 25/100