Is there a distinction between the citations and bibliography tags? Both refer to either citing something or adding it to the bibliography, which are essentially one task (everything cited is added to the bibliography). Are there any counter-examples or edge cases I missed? Can these be merged?
The citations tag is written up as
Queries related to citing or referencing published or unpublished sources.
used for questions about citing and citations, not necessarily in th econtext of a bibliography (reference list). The Bibliography tag says
Questions related to the structure, building and typesetting of a bibliography comes under this tag. Bibliography is an organized
So both are useful as I see it. I think that the citations tag may be used wrong and so there is probably reasons for checking tagging more carefully. There are also quite a few tag wikis that are not written up which may contribute to confuion since it is unclear what they represent.