# [Tex/LaTex] Citation with DOI that has underscore breaks functionality in BibDesk

bibdeskbibliographiesbibtexdoi

One functionality of BibDesk that is nice is the ability to click on a link at the end of the Doi entry field, which will open up the link http://dx.doi.org/DOI-HERE in a browser.

One problem I've just run into with bibliography styles that display DOIs in the References section (e.g., unified) is that a Doi entry that contains an underscore will be printed as a subscript in the References section.

For example, this code:

\documentclass{article}

\usepackage{natbib}

\begin{document}

\citet{chomsky1977b}
\citet{chomsky1977b-test}

\bibliographystyle{unified}
\bibliography{master}

\end{document}


produces this output

where chomsky1977b is

@article{chomsky1977b,
Author = {Chomsky, Noam and Lasnik, Howard},
Doi = {10.1007/978-94-015-6859-3_4},
Journal = {Linguistic Inquiry},
Keywords = {control theory, syntax},
Number = {3},
Pages = {425-504},
Title = {Filters and Control},
Volume = {8},
Year = {1977}}


and chomsky1997b-test is

@article{chomsky1977b-test,
Author = {Chomsky, Noam and Lasnik, Howard},
Doi = {10.1007/978-94-015-6859-3{\_}4},
Journal = {Linguistic Inquiry},
Keywords = {control theory, syntax},
Number = {3},
Pages = {425-504},
Title = {Filters and Control},
Volume = {8},
Year = {1977}}


Of course, the Doi entry in chomsky1997b-test breaks the BibDesk functionality of opening the link in a browser, as it opens http://dx.doi.org/10.1007/978-94-015-6859-3{\_}4 rather than http://dx.doi.org/10.1007/978-94-015-6859-3_4.

Is there a way to retain this functionality yet still ensure that the DOI is printed correctly in the References section when using a style that prints the DOI?

For your particular example (of the unified.bst) style, it suffices to add the following line to your preamble (and load the hyperref package)

\newcommand{\doi}[1]{\textsc{doi}: \href{http://dx.doi.org/#1}{\nolinkurl{#1}}}


The MWE

\documentclass{article}

\usepackage{natbib}
\usepackage{hyperref}

\begin{filecontents}{\jobname.bib}
@article{chomsky1977b,
Author = {Chomsky, Noam and Lasnik, Howard},
Doi = {10.1007/978-94-015-6859-3_4},
Journal = {Linguistic Inquiry},
Keywords = {control theory, syntax},
Number = {3},
Pages = {425-504},
Title = {Filters and Control},
Volume = {8},
Year = {1977}}
\end{filecontents}

\begin{document}

\citet{chomsky1977b}

\bibliographystyle{unified}
\bibliography{\jobname}

\end{document}


then yields