I am currently using biblatex to handle my bibliography. In comparison to BibTeX, undefined references are visualized as [bold citation key] instead of "[?]". Since my citation keys are rather long, this really messes up my document when I write some text and intend to fill in the citations later.

Is there any way to change the appearance of undefined references in biblatex?



This is controlled by the internal command \abx@missing. Its default is




to your preamble to just see a bold question mark if something is missing.

Your Answer

By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy

Not the answer you're looking for? Browse other questions tagged or ask your own question.