Customize backref similar to Wikipedia

Question

References in a report document class, using biblatex with backref option, look like this:

where I have circled the backreference.

I want something more similar to Wikipedia or at least more condensed, if it is possible. Wikipedia backref looks like this:

Again I have circled the backreference.

Here a MWE

\documentclass[12pt,twoside]{report}
\usepackage[headheight=18pt,a4paper, width=150mm, top=25mm, bottom=25mm, bindingoffset=6mm, headsep=18pt]{geometry}
\usepackage[spanish,es-noquoting]{babel}
\usepackage[utf8]{inputenc}
\usepackage[T1]{fontenc} 
\usepackage[activate={true,nocompatibility},final,tracking=true,kerning=true,spacing=true,factor=1100,stretch=10,shrink=10]{microtype}
\usepackage{notoccite}
\usepackage{hyperref}
\usepackage[style=numeric-comp, backend=biber, backref=true]{biblatex}
\usepackage{filecontents}
\begin{filecontents}{\jobname.bib}
@Online{Flexo,
  Title                    = {Flexo-Conformational search},
  Author                   = {M. Lavecchia},
  Url                      = {https://github.com/lavecchia/flexo},
  Year                     = {2017},

  Owner                    = {alumno},
  Timestamp                = {2017.09.02}
}

@Article{Packmol,
  Title                    = {PACKMOL: a package for building initial configurations for molecular dynamics simulations},
  Author                   = {Martínez, Leandro and Andrade, Ricardo and Birgin, Ernesto G and Martínez, José Mario},
  Year                     = {2009},
  Number                   = {13},
  Pages                    = {2157--2164},
  Volume                   = {30},

  Journal                  = {Journal of computational chemistry},
  Publisher                = {Wiley Online Library}
}
\end{filecontents}
\addbibresource{\jobname.bib}
\begin{document}

In particular we can cite \cite{Flexo} but could also be \cite{Packmol} or anything.

\printbibliography
\end{document}

Related/duplicate: State where within the book a reference was cited — Werner, Oct 18 '17 at 03:53
@Werner is it a duplicate? I think the solution to the linked question is already implemented in this one here. It looks more like a formatting customization issue, doesn't it? — thymaro, Oct 18 '17 at 05:32
@thymaro: You can look at the edit history of the question to understand why this was posted. — Werner, Oct 18 '17 at 05:39
Do you want the alphabetic superscripts (↑a) or page numbers (↑⁴). — David Purton, Oct 18 '17 at 12:06

moewe · Accepted Answer · 2017-10-19T19:33:43.887

The code for numeric-comp is a bit more complicated. But the general idea of wikipageref should be quite clear.

\documentclass[12pt,twoside]{article}
\usepackage[utf8]{inputenc}
\usepackage[T1]{fontenc} 
\usepackage[spanish,es-noquoting]{babel}
\usepackage{csquotes}
\usepackage[style=numeric-comp, backend=biber]{biblatex}
\usepackage{hyperref}

\addbibresource{biblatex-examples.bib}

\makeatletter
\DeclareFieldFormat{bibhypertarget}{%
  \bibhypertarget{cbx:instcount:\the\value{instcount}}{#1}}

\def\abx@aux@wikibackref#1#2#3{%
  \listcsgadd{cbx@wikibackref@#1@#2}{#3}}

\def\blx@addwikibackref#1{%
  \if@filesw
    \protected@write\@mainaux{}{\string\abx@aux@wikibackref
       {\the\c@refsection}{#1}{\the\value{instcount}}}%
    \fi}

\def\blx@instcount@label{%
  \label{cbx@instcount@\the\value{instcount}}}

\AtEveryCitekey{%
  \blx@addwikibackref{\thefield{entrykey}}%
  \blx@instcount@label
}

\renewbibmacro*{cite:comp}{%
  \addtocounter{cbx@tempcntb}{1}%
  \printtext[bibhypertarget]{%
    \iffieldundef{shorthand}
      {\ifbool{bbx:subentry}
         {\iffieldundef{entrysetcount}
            {\usebibmacro{cite:comp:comp}}
            {\usebibmacro{cite:comp:inset}}}
         {\usebibmacro{cite:comp:comp}}}
      {\usebibmacro{cite:comp:shand}}}}

\renewbibmacro*{begentry}{\usebibmacro{wikipageref}}

\newcounter{wikibackrefitemcount}
\renewcommand{\thewikibackrefitemcount}{\alph{wikibackrefitemcount}}
\newbibmacro*{wikipageref}{%
  \ifcsundef{cbx@wikibackref@\the\c@refsection @\thefield{entrykey}}
    {}
    {\setcounter{wikibackrefitemcount}{0}%
     \renewcommand*{\do}[1]{\stepcounter{wikibackrefitemcount}}%
     \dolistcsloop{cbx@wikibackref@\the\c@refsection @\thefield{entrykey}}%
     \ifnumgreater{\value{wikibackrefitemcount}}{1}
       {\setcounter{wikibackrefitemcount}{0}%
        \renewcommand*{\do}[1]{%
          \stepcounter{wikibackrefitemcount}%
          \mkbibsuperscript{%
            \bibhyperlink{cbx:instcount:##1}{\thewikibackrefitemcount}\addspace}}%
        $\uparrow$\addspace\dolistcsloop{cbx@wikibackref@\the\c@refsection @\thefield{entrykey}}}
       {\renewcommand*{\do}[1]{\bibhyperlink{cbx:instcount:##1}{$\uparrow$}\addspace}%
        \dolistcsloop{cbx@wikibackref@\the\c@refsection @\thefield{entrykey}}}}}
\makeatother

\begin{document}
In particular we can cite \cite{sigfridsson} but could also be \cite{geer} or anything \cite{sigfridsson,nussbaum,geer}.
\clearpage
In particular we can cite \cite{sigfridsson} but could also be \cite{nussbaum} or anything.
\clearpage
In particular we can cite \cite{worman} but could also be \cite{geer} or anything \cite{sigfridsson,worman,geer,knuth:ct:a,knuth:ct:b,nussbaum}.
\clearpage
\printbibliography
\clearpage
In particular we can cite \cite{worman} but could also be \cite{geer} or anything \cite{sigfridsson,nussbaum,geer,knuth:ct:a}.
\clearpage
\newrefsection
In particular we can cite \cite{worman} but could also be \cite{geer} or anything \cite{sigfridsson,nussbaum,geer,knuth:ct:a}.
\printbibliography
\end{document}

The solution is refsection aware now and uses the .aux file to pick up citations after the bibliography. This solution may require two TeX runs to give the correct output., because the .aux file need to be read back. The new code is more modular and uses ideas very similar to those of the original backref/pageref feature in biblatex.

It should be possible to change the code to output the page number instead of the letter with a bit of additional effort.

Customize backref similar to Wikipedia

1 Answers1

Linked