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如何消除多行警告？

tag-icon • tag-icon hyperref line-breaking warnings bigfoot silence
如何消除多行警告？

我试图消除问题中的警告bigfoot.sty:61：软件包 hyperref 警告：选项“hyperfootnotes”已被使用

我试过：

\usepackage{silence}
\WarningFilter*{hyperref}{Option `hyperfootnotes' has already been used}

\usepackage{hyperref}
\usepackage{bigfoot}

并且它可以工作，但是我只想消除指向第 61 行的那个警告，而不是所有其他以以下内容开头的警告：

Option `hyperfootnotes' has already been used

然后我尝试写：

\WarningFilter*{hyperref}{Option `hyperfootnotes' has already been used,.*setting the option has no effect on input line 61.}

和：

\WarningFilter*{hyperref}{Option `hyperfootnotes' has already been used,%
(hyperref)                setting the option has no effect on input line 61.}

但它们都不起作用。如何才能使多行警告静音？

...(D:\User\Documents\latex\texmfs\install\tex\latex\oberdiek\rerunfilecheck.sty
Package: rerunfilecheck 2016/05/16 v1.8 Rerun checks for auxiliary files (HO)
Package uniquecounter Info: New unique counter `rerunfilecheck' on input line 2
82.
)
\Hy@SectionHShift=\skip185
) (D:\User\Documents\latex\texmfs\install\tex\latex\bigfoot\bigfoot.sty
Package: bigfoot 2015/08/30 2.1 makes footnotes work


Package hyperref Warning: Option `hyperfootnotes' has already been used,
(hyperref)                setting the option has no effect on input line 61.

(D:\User\Documents\latex\texmfs\install\tex\latex\ncctools\manyfoot.sty
Package: manyfoot 2005/09/11 v1.10 Many Footnote Levels Package (NCC)

(D:\User\Documents\latex\texmfs\install\tex\latex\ncctools\nccfoots.sty
Package: nccfoots 2005/02/03 v1.2 NCC Footnotes Package (NCC)
)
...

最小示例：

\documentclass{memoir}

\usepackage[T1]{fontenc}
\usepackage[utf8]{inputenc}

\usepackage{silence}
\WarningFilter*{hyperref}{Option `hyperfootnotes' has already been used,
(hyperref)                setting the option has no effect on input line 61.}

\usepackage{hyperref}
\usepackage{bigfoot}

\begin{document}

    Bit cut\footnote{bigfoot}.

\end{document}

答案1

要使多行警告静音，您需要包含与警告相关的适当代码。让我们看看实际消息来自哪里hyperref通过宏\Hy@WarnOptionDisabled：

\def\Hy@WarnOptionDisabled#1{%
  \Hy@Warning{%
    Option `#1' has already been used,\MessageBreak
    setting the option has no effect%
  }%
}

该警告中包含\MessageBreak，因此可以执行以下操作：

\documentclass{article}

\usepackage{silence}
\WarningFilter*
  {hyperref}
  {Option `hyperfootnotes' has already been used, \MessageBreak
    setting the option has no effect}

\usepackage{hyperref}
\usepackage{bigfoot}

\begin{document}

Text.

\end{document}

但请注意，这on line 61.并不构成警告消息的一部分。相反，on line < lineno >.构成内核宏的一部分，该宏与导致（后续）调用的任何警告一起出现\GenericWarning：

\def\on@line{ on input line \the\inputlineno}
%...
\DeclareRobustCommand{\GenericWarning}[2]{%
   \begingroup
      \def\MessageBreak{^^J#1}%
      \set@display@protect
      \immediate\write\@unused{^^J#2\on@line.^^J}%
   \endgroup
}

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