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使用 BibLaTeX 区分 a/b 之间的间距

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使用 BibLaTeX 区分 a/b 之间的间距

我正在尝试设置一个更长的文档并在使用时偶然发现以下问题authoryear-comp：

如果我设置了uniquelist=minyear，如果作者列表相同，我会得到带有 NAME YEARa 和 NAME YEARb 的引用。到目前为止一切顺利。

如果我在同一个 cite 命令中引用两篇论文，我会得到YEARa,b。是否有可能得到 i) , 和 b: 之间的空格YEARa, b；或 ii) YEARa, YEARb？

这是一个用于演示的 MWE：

\documentclass{article}

\usepackage[backend=biber,bibencoding=utf8,dashed=false,style=authoryear-comp,uniquename=false,uniquelist=minyear,date=year,maxcitenames=2, useprefix=true,maxbibnames=99,mincrossrefs=99,sorting=ynt,sortcites=true,isbn=false,eprint=false,urldate=long]{biblatex}
\usepackage{filecontents}

\begin{filecontents}{\jobname.bib}
@article{a1,
  author={John Smith and Mary Stuart and Peter Pan},
  year = 2020,
  journal = {Awesome Journal},
  volume = 3
}
@article{a2,
  author={John Smith and Mary Stuart and Peter Pan},
  year = 2020,
  journal = {Another Journal},
  volume = 3
}
\end{filecontents}

\addbibresource{\jobname.bib}

\begin{document}

\cite{a1,a2}

\end{document}

输出如下所示：

截图无空格

并且 a 后面的逗号和 b 之间没有空格。

答案1

可以通过调整biblatex宏来添加空间cite:extradate。这里使用\addthinspace提供的宏biblatex

\renewbibmacro*{cite:extradate}{%
  \iffieldundef{extradate}
    {}
    {\printtext[bibhyperref]{\addthinspace\printfield{extradate}}}}

请求的第二种形式可以通过重写cite宏来实现：

在此处输入图片描述

\documentclass{article}

\usepackage[backend=biber,bibencoding=utf8,dashed=false,style=authoryear-comp,uniquename=false,uniquelist=minyear,date=year,maxcitenames=2, useprefix=true,maxbibnames=99,mincrossrefs=99,sorting=ynt,sortcites=true,isbn=false,eprint=false,urldate=long]{biblatex}
\usepackage{filecontents}

\begin{filecontents}{\jobname.bib}
@article{a1,
  author={John Smith and Mary Stuart and Peter Pan},
  year = 2020,
  journal = {Awesome Journal},
  volume = 3
}
@article{a2,
  author={John Smith and Mary Stuart and Peter Pan},
  year = 2020,
  journal = {Another Journal},
  volume = 3
}
\end{filecontents}

\addbibresource{\jobname.bib}

\renewbibmacro*{cite:extradate}{%
  \iffieldundef{extradate}
    {}
    {\printtext[bibhyperref]{\addthinspace\printfield{extradate}}}}

\begin{document}

\cite{a1,a2}

\makeatletter
\renewbibmacro*{cite}{%
  \iffieldundef{shorthand}
    {\ifthenelse{\ifnameundef{labelname}\OR\iffieldundef{labelyear}}
       {\usebibmacro{cite:label}%
        \setunit{\printdelim{nonameyeardelim}}%
        \usebibmacro{cite:labeldate+extradate}%
        \usebibmacro{cite:reinit}}
       {\iffieldequals{namehash}{\cbx@lasthash}
          {\ifthenelse{\iffieldequals{labelyear}{\cbx@lastyear}\AND
                       \(\value{multicitecount}=0\OR\iffieldundef{postnote}\)}
             {\setunit{\addcomma\addspace}%  <---- punuctation
              \usebibmacro{cite:labeldate+extradate}} % <---- instead of cite:extradate
             {\setunit{\compcitedelim}%
              \usebibmacro{cite:labeldate+extradate}%
              \savefield{labelyear}{\cbx@lastyear}}}
          {\printnames{labelname}%
           \setunit{\printdelim{nameyeardelim}}%
           \usebibmacro{cite:labeldate+extradate}%
           \savefield{namehash}{\cbx@lasthash}%
           \savefield{labelyear}{\cbx@lastyear}}}}
    {\usebibmacro{cite:shorthand}%
     \usebibmacro{cite:reinit}}%
     \setunit{\multicitedelim}}
\makeatother

\cite{a1,a2}
\end{document}

您可能需要对其他引用命令执行类似操作。它们的源代码位于 中authoryear-comp.cbx。请参阅.log文件以了解系统上的完整路径。

答案2

您可以使用biblatex-ext的插件替换authoryear-comp，ext-authoryear-comp。

然后你只需要extradateonlycompcitedelim根据自己的喜好重新定义。

\documentclass{article}

\usepackage[
  backend=biber,
  style=ext-authoryear-comp,
  sorting=ynt,
  uniquename=false,uniquelist=minyear,
  maxbibnames=99, maxcitenames=2, 
  useprefix=true,
  dashed=false,
  date=year, urldate=long,
  isbn=false, eprint=false,
  mincrossrefs=99,
]{biblatex}

\DeclareDelimFormat{extradateonlycompcitedelim}{\addcomma\space}

\begin{filecontents}{\jobname.bib}
@article{a1,
  author={John Smith and Mary Stuart and Peter Pan},
  year = 2020,
  journal = {Awesome Journal},
  volume = 3
}
@article{a2,
  author={John Smith and Mary Stuart and Peter Pan},
  year = 2020,
  journal = {Another Journal},
  volume = 3
}
\end{filecontents}

\addbibresource{\jobname.bib}

\begin{document}
\cite{a1,a2}
\end{document}

Smith 等人 2020a, b

为了获得“作者年份a，年份b”，重新定义相当复杂的引用宏的一个简单替代方法是\cbx@lastyear在每个引用键处重置。（当然，更改宏会更有效，但此解决方案在序言中要短得多。）

\documentclass{article}

\usepackage[
  backend=biber,
  style=authoryear-comp,
  sorting=ynt,
  uniquename=false,uniquelist=minyear,
  maxbibnames=99, maxcitenames=2, 
  useprefix=true,
  dashed=false,
  date=year, urldate=long,
  isbn=false, eprint=false,
  mincrossrefs=99,
]{biblatex}

\makeatletter
\AtEveryCitekey{\global\undef\cbx@lastyear}
\makeatother

\begin{filecontents}{\jobname.bib}
@article{a1,
  author={John Smith and Mary Stuart and Peter Pan},
  year = 2020,
  journal = {Awesome Journal},
  volume = 3
}
@article{a2,
  author={John Smith and Mary Stuart and Peter Pan},
  year = 2020,
  journal = {Another Journal},
  volume = 3
}
\end{filecontents}

\addbibresource{\jobname.bib}

\begin{document}
\cite{a1,a2}
\end{document}

Smith 等人 2020a、2020b

此解决方案也适用于biblatex-ext样式。

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