Biblatex 提供了\textcite和\citeauthor以及其他命令，用于在文档正文中引用资源。
但是，与不同\textcite，它\citeauthor的行为并不像我预期的那样。可能它的行为也不像以前那样，但我对此不确定。
请考虑以下示例：
\documentclass{article}
\usepackage[utf8]{inputenc}
\usepackage[backend=biber]{biblatex}
\bibliography{biblatex-examples}
\begin{document}
\verb|\Textcite| and \verb|\textcite| behave as expected:
\Textcite{aristotle:poetics,aristotle:physics,aristotle:rhetoric} once took a bath.
\Textcite{averroes/bland,averroes/hannes} and \textcite{aristotle:poetics,aristotle:physics,aristotle:rhetoric} opened the tin of soup together.
\verb|\Citeauthor| and \verb|\citeauthor| do not behave as expected\footnote{By me.}:
\Citeauthor{aristotle:poetics,aristotle:physics,aristotle:rhetoric} once took a bath.
\Citeauthor{averroes/bland,averroes/hannes} and \citeauthor{aristotle:poetics,aristotle:physics,aristotle:rhetoric} opened the tin of soup together.
\printbibliography
\end{document}
我希望\citeauthor使用 时，它会合并同一作者的多个参考文献，就像\textcite使用 时一样。然而，这并没有发生：
如果我使用authoryear-comp，情况会变得更糟：
\documentclass{article}
\usepackage[utf8]{inputenc}
\usepackage[style=authoryear-comp,backend=biber]{biblatex}
\bibliography{biblatex-examples}
\begin{document}
\verb|\Textcite| and \verb|\textcite| behave as expected:
\Textcite{aristotle:poetics,aristotle:physics,aristotle:rhetoric} once took a bath.
\Textcite{averroes/bland,averroes/hannes} and \textcite{aristotle:poetics,aristotle:physics,aristotle:rhetoric} opened the tin of soup together.
\verb|\Citeauthor| and \verb|\citeauthor| do not behave as expected\footnote{By me.}:
\Citeauthor{aristotle:poetics,aristotle:physics,aristotle:rhetoric} once took a bath.
\Citeauthor{averroes/bland,averroes/hannes} and \citeauthor{aristotle:poetics,aristotle:physics,aristotle:rhetoric} opened the tin of soup together.
\printbibliography
\end{document}
我本以为这里的多位作者的名字应该用逗号隔开，但这里却使用了分号。现在，在括号引用中这样做是完全可以的，也是意料之中的，但在文本流中这样做并不合适。
当然，在这个特殊情况下，使用分号只会带来问题，因为作者的名字意外重复。不过，我可能想要类似
\Citeauthor{aristotle:poetics,averroes/bland} ate the soup.
如果 Biblatex 在我应该使用 的地方使用逗号and，我可以理解，但使用分号就太荒谬了。
这是预期的行为吗？我倾向于将其视为错误，但据我所知，这是一个值得珍惜的功能！
无论如何，阻止它的最佳方法是什么？考虑到这种有问题的模式可能感染的不仅仅是\citeauthor，我想知道最通用的解决方案是什么。
答案1
如果sortcites启用按名称排序的样式，我们实际上可以很快
\newbibmacro*{citeauthor}{%
\ifnameundef{labelname}
{\usebibmacro{cite:reinit}}
{\iffieldequals{namehash}{\cbx@lasthash}
{}
{\printnames{labelname}%
\savefield{namehash}{\cbx@lasthash}}}}
\DeclareCiteCommand{\citeauthor}
{\boolfalse{citetracker}%
\boolfalse{pagetracker}%
\usebibmacro{cite:init}%
\usebibmacro{prenote}}
{\ifciteindex
{\indexnames{labelname}}
{}%
\usebibmacro{citeauthor}}
{\setunit{\addcomma\space}}
{\usebibmacro{postnote}}
我们只记住姓氏，如果当前名字与姓氏相同，则不会打印当前名字。
请注意此定义如何使用\setunit{\addcomma\space}而不是\multicitedelim因为这可能会给出分号，这取决于您的风格。
在 MWE 中，有额外的代码可以运行不支持的样式cite:init，并且cite:reinit
\documentclass{article}
\usepackage[utf8]{inputenc}
\usepackage[backend=biber,style=numeric,style=authoryear-icomp]{biblatex}
\bibliography{biblatex-examples}
\makeatletter
\providebibmacro*{cite:reinit}{%
\global\undef\cbx@lasthash
\global\undef\cbx@lastyear}
\providebibmacro*{cite:init}{\usebibmacro{cite:reinit}}
\newbibmacro*{citeauthor}{%
\ifnameundef{labelname}
{\usebibmacro{cite:reinit}}
{\iffieldequals{namehash}{\cbx@lasthash}
{}
{\printnames{labelname}%
\savefield{namehash}{\cbx@lasthash}}}}
\DeclareCiteCommand{\citeauthor}
{\boolfalse{citetracker}%
\boolfalse{pagetracker}%
\usebibmacro{cite:init}%
\usebibmacro{prenote}}
{\ifciteindex
{\indexnames{labelname}}
{}%
\usebibmacro{citeauthor}}
{\setunit{\addcomma\space}}
{\usebibmacro{postnote}}
\makeatother
\begin{document}
\verb|\Textcite| and \verb|\textcite| behave as expected:
\Textcite{aristotle:poetics,aristotle:physics,aristotle:rhetoric} once took a bath.
\Parencite{aristotle:poetics,aristotle:physics,aristotle:rhetoric} once took a bath.
\Textcite{averroes/bland,averroes/hannes} and \textcite{aristotle:poetics,aristotle:physics,aristotle:rhetoric} opened the tin of soup together.
\verb|\Citeauthor| and \verb|\citeauthor| do not behave as expected\footnote{By me.}:
\Citeauthor{aristotle:poetics,aristotle:physics,aristotle:rhetoric} once took a bath.
\Citeauthor{averroes/bland,averroes/hannes} and \citeauthor{aristotle:poetics,aristotle:physics,aristotle:rhetoric} opened the tin of soup together.
\Citeauthor{averroes/bland,knuth:ct:a,averroes/hannes}
\printbibliography
\end{document}
为了好玩，这里有一个基于 的解决方案\textcite，允许使用\textcitedelim。 它的主要优点是您可以使用\iffinalcitedelim将最后一项用“and”分隔开。
\providebibmacro*{cite:reinit}{%
\global\undef\cbx@lasthash
\global\undef\cbx@lastyear}
\providebibmacro*{cite:init}{\usebibmacro{cite:reinit}}
\newbibmacro*{citeauthor}{%
\ifnameundef{labelname}
{\usebibmacro{cite:reinit}}
{\iffieldequals{namehash}{\cbx@lasthash}
{}
{\printnames{labelname}%
\stepcounter{textcitecount}%
\savefield{namehash}{\cbx@lasthash}}}%
\setunit{\textcitedelim}}
\DeclareCiteCommand{\cbx@citeauthor}
{\usebibmacro{cite:init}}
{\usebibmacro{citeindex}%
\usebibmacro{citeauthor}}
{}
{\usebibmacro{postnote}}
\providerobustcmd{\cbx@textcite@init}[2]{%
\setcounter{textcitetotal}{0}%
\setcounter{textcitecount}{0}%
\def\cbx@savedcites{#1}#2\cbx@savedcites\empty}
\DeclareCiteCommand{\citeauthor}[\cbx@textcite@init\cbx@citeauthor]
{\gdef\cbx@savedkeys{}%
\citetrackerfalse%
\pagetrackerfalse%
\DeferNextCitekeyHook%
\usebibmacro{cite:init}}
{\ifthenelse{\iffirstcitekey\AND\value{multicitetotal}>0}
{\protected@xappto\cbx@savedcites{()(\thefield{multipostnote})}%
\global\clearfield{multipostnote}}
{}%
\xappto\cbx@savedkeys{\thefield{entrykey},}%
\iffieldequals{namehash}{\cbx@lasthash}
{}
{\stepcounter{textcitetotal}%
\savefield{namehash}{\cbx@lasthash}}}
{}
{\protected@xappto\cbx@savedcites{%
[\thefield{prenote}][\thefield{postnote}]{\cbx@savedkeys}}}
\DeclareDelimcontextAlias{cbx@citeauthor}{textcite}
这应该适用于大多数风格，因为它\provide的命令具有可能不可用的合理默认值。
你可能需要
\renewcommand*{\iffinalcitedelim}{%
\ifnumequal{\value{textcitecount}}{\value{textcitetotal}-1}}
但是大多数标准.cbx样式都将其作为默认样式。