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Markup Module - Intentional Issues

This page contains invalid markup, duplicate IDs, and invalid ARIA.

Duplicate IDs

This is paragraph 1 with ID "duplicate-me".

This is paragraph 2 with the same ID "duplicate-me".

Obsolete Elements

This center tag is obsolete.
This font tag is obsolete. Marquee is deprecated!

Invalid ARIA Roles and Attributes

Invalid Role
Invalid ARIA Value