Weekly github digest (HTML specs)

Issues
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* w3c/html (+2/-0/💬6)
  2 issues created:
  - Security: If a link title looks like or contains a url/domain that doesn't match its target, the link should be displayed differently and make users go through an informative security prompt. (by PlNG)
    https://github.com/w3c/html/issues/1694 
  - Clarify a element having no href (by iandevlin)
    https://github.com/w3c/html/issues/1693 

  4 issues received 6 new comments:
  - #1692 Proposal: <button once="true" /> attribute (2 by NickCraver, iandevlin)
    https://github.com/w3c/html/issues/1692 
  - #1686 Example for bread crumb navigation might need to be revamped (2 by Malvoz, iandevlin)
    https://github.com/w3c/html/issues/1686 
  - #1456 Privacy concern with ping attribute (1 by npdoty)
    https://github.com/w3c/html/issues/1456 [privacy] [wide review] 
  - #1371 bikeshed error when building spec (1 by iandevlin)
    https://github.com/w3c/html/issues/1371 

* w3c/html-aam (+2/-0/💬2)
  2 issues created:
  - Is the documentation regarding the computation of name and description of tabular elements correct? (by matt-curtis)
    https://github.com/w3c/html-aam/issues/179 
  - Clarify mapping for hidden attribute (by scottaohara)
    https://github.com/w3c/html-aam/issues/178 

  1 issues received 2 new comments:
  - #178 Clarify mapping for hidden attribute (2 by xi, stevefaulkner)
    https://github.com/w3c/html-aam/issues/178 



Pull requests
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* w3c/html-aam (+0/-1/💬0)
  1 pull requests merged:
  - Update UIA mappings for sub and sup elements
    https://github.com/w3c/html-aam/pull/177 


Repositories tracked by this digest:
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* https://github.com/w3c/html
* https://github.com/w3c/html-aam
* https://github.com/w3c/html-aria
* https://github.com/w3c/html-extensions
* https://github.com/w3c/html-landscape
* https://github.com/w3c/html-reference
* https://github.com/w3c/aria-in-html