bug#25127: reftex: Highlight all missing references/citations

[Lars Ingebrigtsen]

Hong Xu <hong@topbug.net> writes:

> It would be a nice feature if reftex can highlight all missing
> references/citations in the buffer. For example, references/citations
> such as \ref{nonexistence} or \cite{nonexistence} point to nonexistent
> entries, which should be highlighted as errors.

I've added bug-auctex to the CCs; perhaps they have some comments here.

(Does auctex have a separate bug tracker?  I think I asked once before,
but I forgot the answer.)

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