Eg.:
Page: title=Special:Recentchanges
Feed link: title=Special:Rencentchanges&feed=atom
Page: title=Special:Recentchanges&namespace=0
Feed link: title=Special:Rencentchanges&feed=atom
(&namespace=0 is missing)
etc...
Applies to all special pages which have feeds and can have additional parameters in URL set via the form.
Version: 1.14.x
Severity: minor