On Wikinews, pages with single quotes in their headlines have inexplicably ceased to work. Firefox gives the following error:
"Firefox has detected that the server is redirecting the request for this address in a way that will never complete."
Examples:
https://en.wikinews.org/wiki/Aid_group_%27denied_access%27_to_Rwandan_refugee_camp_in_Burundi
https://en.wikinews.org/wiki/Biologist_Nick_Bos_tells_Wikinews_about_%27self-medicating%27_ants
https://en.wikinews.org/wiki/%27Fascinating%27_and_%27provocative%27_research_examines_genetic_elements_of_bipolar,_schizophrenia
Note that the middle of these is presently linked from the main page.
History etc links work as normal:
Talk fails:
https://en.wikinews.org/wiki/Talk:Biologist_Nick_Bos_tells_Wikinews_about_%27self-medicating%27_ants