[BUG]: Link URL is wrong in Help file for `element_attribute_deprecated`

[philljenkins]

Project

accessibility-checker-engine

• Fix file help-v4/en-US/element_attribute_deprecated.html
  
• when we fix the issues, also scan for any remaining/unreported broken links too.

Browser

Chrome

Operating system

MacOS

Description

Rule ID: element_attribute_deprecated1 Reason ID: fail_attr`

• Link text is correct, "HTML 5 - Obsolete Features"
• URL is not correct, page may have been moved,
  • bad URL https://dev.w3.org/html5/pf-summary/obsolete.html
  • change to https://html.spec.whatwg.org/dev/obsolete.html#obsolete

Reference

[philljenkins]

Searching repo, finding additional Help files with similar bad URLs:

• [HTML - Obsolete features](https://html.spec.whatwg.org/multipage/obsolete.html#obsolete)
• [HTML 5 - Obsolete Features](https://dev.w3.org/html5/pf-summary/obsolete.html)
• [HTML - Obsolete features](https://html.spec.whatwg.org/multipage/obsolete.html#non-conforming-features)

in the following files:

• accessibility-checker-engine/help-v4/en-US/element_attribute_deprecated.html
• accessibility-checker-engine/help-v4/en-US/marquee_elem_avoid.html
• accessibility-checker-engine/help-v4/en-US/frame_src_valid.html
• accessibility-checker-engine/help-v4/en-US/aria_attribute_deprecated.html

[philljenkins]

Triaged
Should link to https://html.spec.whatwg.org/#toc-obsolete

[philljenkins]

• when we fix the issues, also scan for any remaining/unreported broken links too.

[MHoov]

Moving to R7.3