BibTeX, biblatex and biber ⇒ Problems with optional argument in \cite

[ZAndrews]

Hi all,

I'm trying to use the optional argument in \cite to reference a specific theorem within a book. I get the following error message when running BiBTeX:

Warning--I didn't find a database entry for "["

and this is the pdf output I get after continuing regardless and compiling the LaTeX:

[?]Theorem 5]McIver2004 [33]

for the LaTeX commands:

\cite[Theorem 5]{McIver2004} \cite{McIver2004}

I included the second citation just to show that cite works ok for this reference without the optional argument.

I have also tried using {\cite[Theorem 5]{McIver2004}}, but have the same results.

Has anyone come across this problem before or can spot what I've done wrong?

[frabjous]

I imagine this has something to do with some package you're loading, or the particular document class you're using. Certainly this is not normal behavior. Could you provide a complete minimal working example that would allow us to reproduce the error?

[ZAndrews]

Thanks for the suggestion... in doing so I managed to locate the problem -- one of my colleagues had redefined \cite in the preamble! It's all fixed now, thanks for your help.

[localghost]

[…] It's all fixed now, […]

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Thorsten