Paragraph with EM and STRONG tags for testing

WCAG 2.0 success criteria are written as testable statements that are not technology-specific. Guidance about satisfying the success criteria in specific technologies, as well as general information about interpreting the success criteria, is provided in separate documents.

Note: The above paragraph from WCAG 2.0 has been arbitrarily marked up with the STRONG and EM tags for testing. This is not how it is in the WCAG2.0!

Text with DEL and INS tags

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Results

• JAWS 16/17: These tags are supported on changing scheme (Ins+Alt+S) to Classic / Proof reading with attributes.
• NVDA 2015.4: supports these four tags in Internet Explorer after changing document reading preferences. The beginning and start of text marked up by these tags is announced by NVDA.

March 2020 Update (Using Chrome 80 and Firefox 74):

• JAWS 2020 now works with Chrome, Firefox and Internet Explorer (not Edge) using Classic / Proofreading with attributes scheme selection
• NVDA 2019.3.1 seems to have added support for INS and DEL only (not STRONG / EM) for Chrome and Firefox

Tested Dec 15, 2015 with JAWS 16/17, NVDA 2015.4 and VoiceOver on iOS 9.2