[texhax] problems with backward references

Bob Hunter catdogbeloved at yahoo.com
Sat Mar 26 12:00:19 CET 2005


I decomposed the problem into parts. I am sending a
test example that triggers a first problem.

Task: re-define \thebibliography while using
hyperref's backref. Notes: Backref requires
\thebibliography, which usually comes from plain
book.cls or article.cls. To avoid doubts on the source
of the problem, in this example the bibliography style
is latex's plain, and \thebibliography is identical to
that in book.cls.



\documentclass{book}
\RequirePackage[plainpages=false,pdfpagelabels]{hyperref}
\bibliographystyle{plain}

\renewenvironment{thebibliography}[1]
     {\chapter*{\bibname}%
     
\@mkboth{\MakeUppercase\bibname}{\MakeUppercase\bibname}%
      \list{\@biblabel{\@arabic\c at enumiv}}%
           {\settowidth\labelwidth{\@biblabel{#1}}%
            \leftmargin\labelwidth
            \advance\leftmargin\labelsep
            \@openbib at code
            \usecounter{enumiv}%
            \let\p at enumiv\@empty
           
\renewcommand\theenumiv{\@arabic\c at enumiv}}%
      \sloppy
      \clubpenalty4000
      \@clubpenalty \clubpenalty
      \widowpenalty4000%
      \sfcode`\.\@m}
     {\def\@noitemerr
       {\@latex at warning{Empty `thebibliography'
environment}}%
      \endlist}

\RequirePackage{backref}% requires \thebibliography
\hypersetup{backref=true}

\begin{document}
This is a reference to \cite{aaa}.
\clearpage
This is a reference to \cite{bbb}.
\clearpage
\bibliography{test}
\end{document}



The bibliography file is in "test.bib":


@Book{aaa,
  author = {A},
  title = {B},
  publisher = {C},
  year = {2005},
}

@Book{bbb,
  author = {A2},
  title = {B2},
  publisher = {C},
  year = {2005},
}



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