Beamer 引文脚注：在引文中添加 *注释*

Question

这是一个跟进问题（见这个问题另一个后续问题也是如此）。

从接受回答，当我尝试添加笔记[不确定正确的术语是什么] 引用（如\cite[page 0]{mybibitem}），我观察到笔记出现两次（参见下面的最小工作示例）：

\documentclass{beamer}
\usepackage[style=numeric,citecounter=true,citetracker=true]{biblatex} 
\usepackage{filecontents}
\begin{filecontents*}{myreferences.bib}
    @online{bad,
        author = {{Bad Man}},
        year = {1313},
        title = {Bad Title},
        url = {http://badurl.com/},
    }
\end{filecontents*}
\addbibresource{myreferences.bib}

%https://tex.stackexchange.com/a/165016/38244
\hypersetup{
    colorlinks,
    citecolor=red,
    linkcolor=blue,
%   backref=true
}



\usepackage{algorithm}
\PassOptionsToPackage{noend}{algpseudocode}% comment out if want end's to show
\usepackage{algpseudocode}% http://ctan.org/pkg/algorithmicx
\usepackage{algorithmicx}


\let\svthefootnote\thefootnote

\makeatletter
% https://tex.stackexchange.com/a/29931/38244
\DeclareCiteCommand{\cite}
{\usebibmacro{prenote}}%
{%  
    \ifciteseen{}{%
        \usebibmacro{citeindex}%
        \let\thefootnote\relax%
        \footnotetext{%
            \blx@anchor
            \mkbibbrackets{\usebibmacro{cite}}%
            \setunit{\addnbspace}
            \printnames{labelname}%
            \setunit{\labelnamepunct}
            \printfield[citetitle]{title}%
            \newunit%
            \printfield[]{year}%
        }%
        \let\thefootnote\svthefootnote%
    }%
    \autocite{\thefield{entrykey}}%
  }
{\addsemicolon\space}
{\usebibmacro{postnote}}
\makeatother



\begin{document}


\begin{frame}{What I found}
    First time, \cite[page 99]{bad}   
\end{frame}

\begin{frame}{Again}
    Next time, \cite[page 1]{bad} only
\end{frame}



\end{document}

以下是屏幕截图（参见笔记頁面):

我怎样才能消除重复？

Answer 1

您应该在的定义中删除prenote和postnote部分，也许还有相关的标点符号，因为\cite调用\autocite将处理这些问题：

\documentclass{beamer}
\usepackage[style=numeric,citecounter=true,citetracker=true]{biblatex}
\usepackage{filecontents}
\begin{filecontents*}{myreferences.bib}
    @online{bad,
        author = {{Bad Man}},
        year = {1313},
        title = {Bad Title},
        url = {http://badurl.com/},
    }
\end{filecontents*}
\addbibresource{myreferences.bib}

%https://tex.stackexchange.com/a/165016/38244
\hypersetup{
    colorlinks,
    citecolor=red,
    linkcolor=blue,
%   backref=true
}



\usepackage{algorithm}
\PassOptionsToPackage{noend}{algpseudocode}% comment out if want end's to show
\usepackage{algpseudocode}% http://ctan.org/pkg/algorithmicx
\usepackage{algorithmicx}


\let\svthefootnote\thefootnote

\makeatletter
% https://tex.stackexchange.com/a/29931/38244
\DeclareCiteCommand{\cite}
{}%
{%
    \ifciteseen{}{%
        \usebibmacro{citeindex}%
        \let\thefootnote\relax%
        \footnotetext{%
            \blx@anchor
            \mkbibbrackets{\usebibmacro{cite}}%
            \setunit{\addnbspace}
            \printnames{labelname}%
            \setunit{\labelnamepunct}
            \printfield[citetitle]{title}%
            \newunit%
            \printfield[]{year}%
        }%
        \let\thefootnote\svthefootnote%
    }%
    \autocite{\thefield{entrykey}}%
  }
{}
{}
\makeatother



\begin{document}


\begin{frame}{What I found}
    First time, \cite[page 99]{bad}
\end{frame}

\begin{frame}{Again}
    Next time, \cite[page 1]{bad} only
\end{frame}

\end{document}

我还删除了\addsemicolon\space，但您可能想要保留它，它是同一个调用中的多个引用之间的标点符号\cite：\cite{one,two}。

在您的评论中，您要求从脚注的输出中删除年份。您只需从新cite命令中删除相应的行：

\makeatletter
\DeclareCiteCommand{\cite}
{}%
{%
    \ifciteseen{}{%
        \usebibmacro{citeindex}%
        \let\thefootnote\relax%
        \footnotetext{%
            \blx@anchor
            \mkbibbrackets{\usebibmacro{cite}}%
            \setunit{\addnbspace}
            \printnames{labelname}%
            \setunit{\labelnamepunct}
            \printfield[citetitle]{title}%
        }%
        \let\thefootnote\svthefootnote%
    }%
    \autocite{\thefield{entrykey}}%
  }
{}
{}
\makeatother

Answer 2

这是一个回答来自用户萨姆卡特（显然已被该网站暂停访问）：

\documentclass{beamer}
\usepackage[style=numeric,citecounter=true,citetracker=true]{biblatex} 
\usepackage{filecontents}
\begin{filecontents*}{myreferences.bib}
    @online{bad,
        author = {{Bad Man}},
        year = {1313},
        title = {Bad Title},
        url = {http://badurl.com/},
    }
\end{filecontents*}
\addbibresource{myreferences.bib}

%https://tex.stackexchange.com/a/165016/38244
\hypersetup{
    colorlinks,
    citecolor=red,
    linkcolor=blue,
%   backref=true
}



\usepackage{algorithm}
\PassOptionsToPackage{noend}{algpseudocode}% comment out if want end's to show
\usepackage{algpseudocode}% http://ctan.org/pkg/algorithmicx
\usepackage{algorithmicx}


\let\svthefootnote\thefootnote

\makeatletter
% https://tex.stackexchange.com/a/29931/38244
\DeclareCiteCommand{\cite}
{\usebibmacro{prenote}}%
{%  
    \ifciteseen{}{%
        \usebibmacro{citeindex}%
        \let\thefootnote\relax%
        \footnotetext{%
            \blx@anchor
            \mkbibbrackets{\usebibmacro{cite}}%
            \setunit{\addnbspace}
            \printnames{labelname}%
            \setunit{\labelnamepunct}
            \printfield[citetitle]{title}%
            \newunit%
            \printfield[]{year}%
        }%
        \let\thefootnote\svthefootnote%
    }%
    \autocite{\thefield{entrykey}}%
  }
{}
{}
\makeatother



\begin{document}


\begin{frame}{What I found}
    First time, \cite[page 99]{bad}   
\end{frame}

\begin{frame}{Again}
    Next time, \cite[page 1]{bad} only
\end{frame}

\end{document}