Steps to replicate the issue (include links if applicable):
- Set $wgParserEnableLegacyMediaDOM = false
- Visit a page containing an <imagemap> without desc none, for example, https://www.mediawiki.org/wiki/Extension:ImageMap
What happens?:
- The image tagged with the imagemap doesn't display the blue "info" icon in the bottom right corner of the image.
What should have happened instead?:
- A blue "info" icon in the bottom right corner of the image should appear, as described.
Software version
WMF wikis after T314318: Disable wgParserEnableLegacyMediaDOM on all wikis