Steps to replicate the issue (include links if applicable):
- https://en.wikipedia.org/w/index.php?title=List_of_churches_in_the_Roman_Catholic_Archdiocese_of_Detroit&diff=1227427851&oldid=1227404878
- https://en.wikipedia.org/w/index.php?title=Florida_Power_%26_Light&diff=1242867361&oldid=1242864630
- https://en.wikipedia.org/w/index.php?title=John_Constantine&diff=1244270429&oldid=1244270143
- https://en.wikipedia.org/w/index.php?title=Moussa_Diaby&diff=1236721771&oldid=1236651774
What happens?:
In some circumstances, Visual Editor appears to add "2" to existing reference names without ensuring that the full named reference is either renamed throughout the article or that the new reference name exists.
What should have happened instead?:
Software version (on Special:Version page; skip for WMF-hosted wikis like Wikipedia):
Other information (browser name/version, screenshots, etc.):
This may be related to the closed tasks T134228 and T125034.