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宏（新指令）為什麼有些文字沒有進入輸出？

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宏（新指令）為什麼有些文字沒有進入輸出？

我想在同一頁上重複一些文字和表格。我正在嘗試下面給出的程式碼，但它只列印一次，然後又不會在最後列印標尺。完整的程式碼如下。

\documentclass{article}
\usepackage{multirow}
\usepackage{caption}
\usepackage{subfig}
\usepackage{makecell}
\usepackage{booktabs}
\usepackage{tikz}
\usepackage{tabu}
\usepackage{array}
\usepackage{graphicx}
\usepackage[showframe]{geometry}
\usepackage{floatrow}
\floatsetup[table]{capposition=top}
\captionsetup{skip=0pt}

\usepackage{xcolor}% http://ctan.org/pkg/xcolor
\usepackage{xparse}% http://ctan.org/pkg/xparse

% Table float box with bottom caption, box width adjusted to content
\newfloatcommand{capbtabbox}{table}[][\FBwidth]

\usepackage{geometry}
 \geometry{
 a4paper,
 total={210mm,297mm},
 left=5mm,
 right=5mm,
 top=2cm,
 bottom=5mm,
 }

\usetikzlibrary{arrows}
\usetikzlibrary{shapes}

\NewDocumentCommand{\myrule}{O{1pt} O{3pt} O{black}}{%
  \par\nobreak % don't break a page here
  \kern\the\prevdepth % don't take into account the depth of the preceding line
  \kern#2 % space before the rule
  {\color{#3}\hrule height #1 width\hsize} % the rule
  \kern#2 % space after the rule
  \nointerlineskip % no additional space after the rule
}

\newcommand\textbox[1]{%
  \parbox{1\textwidth}{#1}%
}

\newcommand\insertBigText[1]{
 \noindent\textbox{\hfil \Large{\textbf{#1}}\hfil} \\

\myrule[1pt][2pt]
\vspace{5pt}
\vspace*{-\baselineskip}

\begin{table}[!htbp]
\parbox{0.45\linewidth}{
  \begin{tabu} spread 0pt {|*{2}{[2pt]X[c,m]|}}
     \hline
     \multicolumn{1}{l}{\textbf{text 1}} & \vspace{5mm}\\ \hline
     \multicolumn{1}{l}{\textbf{text 2}} &  \vspace{5mm} \\\hline 
     \multicolumn{1}{l}{\textbf{text 3 }} &  \vspace{5mm}\\\hline
     \multicolumn{1}{l}{\textbf{text 4}} & some more text\\\hline

    \end{tabu}}
\hfill
\parbox{0.45\linewidth}{
\centering
  \begin{tabu} spread 0pt {|*{1}{[2pt]X[c,m]|}}
     \textbf{string 1} \\\hline 
     \textbf{string 2} \\\hline 
      string 3 \\\hline
    \end{tabu}}
\end{table}

\myrule[1pt][2pt] % strange! doesn't get printed at all
} %end \newcommand\insertBigText[1]{

% ------------ document start
\begin{document}
\captionsetup[table]{skip=0pt}  
\insertBigText{receipt} % only this part gets printed
\vspace{2mm}
\noindent\textbox{\hfil \Large{\textbf{counterfoil}}\hfil} \\ % strange! doesn't get printed at all
\myrule[1pt][2pt] % strange! doesn't get printed at all
\insertBigText{counterfoil} % strange! doesn't get printed at all


\end{document}

答案1

這裡的主要問題是線路

\kern\the\prevdepth % don't take into account the depth of the preceding line

在 的定義中\myrule。要了解問題，請看什麼教材（第 79 頁底部的雙重危險彎曲）說的是\prevdepth：

但是，\prevdepth設定為−1000pt 垂直清單開頭或規則框後面的哨兵值；這用於抑制下一個行間黏合。

因此，第二次使用命令時，您\prevdepth會在排版材料之前-1000pt垂直跳過-1000pt（大約！）；-14in材料顯然被向上推到頁面之外。

除此之外，程式碼還存在其他問題，例如使用\\後面跟著一個空行以及使用\Large帶參數的命令。我修復了它們（但也許需要調整，取決於您的實際意圖）。

這是程式碼的簡化版本

\documentclass{article}
\usepackage{tabu}
\usepackage[showframe]{geometry}

\usepackage{xparse}% http://ctan.org/pkg/xparse

\usepackage{geometry}
\geometry{
 a4paper,
 total={210mm,297mm},
 left=5mm,
 right=5mm,
 top=2cm,
 bottom=5mm,
 }

\NewDocumentCommand{\myrule}{O{1pt} O{3pt} O{black}}{%
  \par\nobreak % don't break a page here%
  \kern#2 % space before the rule
  {\color{#3}\hrule height #1 width\hsize} % the rule
  \kern#2 % space after the rule
  \nointerlineskip % no additional space after the rule
}

\newcommand\textbox[1]{%
  \parbox{1\textwidth}{#1}%
}

\newcommand\insertBigText[1]{
\noindent\textbox{\hfil{\Large\textbf{#1}}\hfil}\par
\myrule[1pt][2pt]
\vspace{5pt}
\vspace*{-\baselineskip}
\begin{table}[!htbp]
\parbox{0.45\linewidth}{%
  \begin{tabu} spread 0pt {|*{2}{[2pt]X[c,m]|}}
     \hline
     \multicolumn{1}{l}{\textbf{text 1}} & \vspace{5mm}\\ \hline
     \multicolumn{1}{l}{\textbf{text 2}} &  \vspace{5mm} \\\hline 
     \multicolumn{1}{l}{\textbf{text 3 }} &  \vspace{5mm}\\\hline
     \multicolumn{1}{l}{\textbf{text 4}} & some more text\\\hline
    \end{tabu}}
\hfill
\parbox{0.45\linewidth}{%
\centering
  \begin{tabu} spread 0pt {|*{1}{[2pt]X[c,m]|}}
     \textbf{string 1} \\\hline 
     \textbf{string 2} \\\hline 
      string 3 \\\hline
    \end{tabu}}
\end{table}
\myrule[1pt][2pt]%
}

\begin{document}

\insertBigText{receipt}
\vspace{2mm}
\myrule[1pt][2pt]
\insertBigText{counterfoil}

\end{document}

輸出：

在此輸入影像描述

您仍然會收到兩個警告geometry：

Package geometry Warning: Over-specification in `h'-direction. `width'
(597.50787pt) is ignored.

Package geometry Warning: Over-specification in `v'-direction. `height' 
(845.04684pt) is ignored.

因此您需要檢查所使用的設定。

更新

作為艾格雷格中的通知his comment您可以使用條件測試來安全地\kern在您的定義中包含：

\NewDocumentCommand{\myrule}{O{1pt} O{3pt} O{black}}{%
  \par\nobreak % don't break a page here%
  \ifdim\prevdepth>-1000pt\kern\prevdepth\fi
  \kern#2 % space before the rule
  {\color{#3}\hrule height #1 width\hsize} % the rule
  \kern#2 % space after the rule
  \nointerlineskip % no additional space after the rule
}

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