尽管我使用几何包进行设置，但仍然遇到文本溢出页面长度的问题，如下所示：
我可以通过向几何图形添加更大的 bmargin 参数来克服这个问题，但我想这里可能存在一个需要修复的潜在问题。
这种怀疑在某种程度上得到了加强，因为一些文本和 tikz 表格/图表之间的间隙似乎在最终文档的不同位置大小有所不同，例如：
我想知道这是否与一些 vbox 代码有关，这些代码包装了 longtable，使其在多列中正常工作？这是从在多列中平衡表的环境恐怕这远远超出了我的理解范围。
演示问题的代码：
\documentclass[a4paper]{article}
\usepackage[a4paper, margin=5mm]{geometry}
\pagenumbering{gobble}
\usepackage[T1]{fontenc}
\usepackage{tgadventor}
\renewcommand{\familydefault}{\sfdefault}
\usepackage[english]{babel}
\usepackage{ragged2e}
%\setlength\parindent{0pt}
\usepackage[parfill]{parskip}
\newcommand{\veryshortdummytext}{short dummy text.}
\newcommand{\shortdummytext}{short dummy text short dummy text short dummy text short dummy text short dummy text.}
\usepackage[x11names]{xcolor}
\usepackage{tikz}
\usetikzlibrary{positioning, shapes.misc, shapes,arrows,chains, arrows.meta, calc, decorations.pathmorphing}
\usepackage{multirow}
\usepackage{array}
\usepackage{makecell}
\renewcommand{\cellalign}{cl}
\usepackage{lipsum}
\usepackage{layout}
\usepackage{longtable}
\usepackage{multicol}
\usepackage{ifthen}
\usepackage{textcomp}
\usepackage{xkeyval}
\usepackage{xkvview}
\setlength\parindent{0pt}
\colorlet{ColIn1}{Blue1}
\colorlet{ColIgnored1}{Blue1!20}
\colorlet{ColIn2}{Red1}
\colorlet{ColIgnored2}{Red1!20}
\colorlet{ColOut}{Magenta3}
\colorlet{ColIgnored3}{Magenta3!20}
\tikzset{
operation/.style={
rounded rectangle, minimum size=6mm,
thick, draw=black,
font=\ttfamily
},
Register/.style={
rectangle,
minimum height = 1cm,
minimum width = 8cm,
},
point/.style={circle, inner sep=0pt, minimum size=2pt, fill=red},
sizenode/.style = {font=\fontsize{20}{20}\selectfont\bfseries\sffamily, white},
node distance = 5mm and 10mm,
>=Kite,
every node/.style={transform shape},
}
\newcommand\Register[2]{ % location, caption
\draw [thick]
(#1) +(0cm,0cm) -- +(8cm,0cm) -- +(8cm,1cm) -- +(0cm,1cm) -- cycle;
\draw [thick]
(#1) +(0,0) +(4,0) -- +(4,1);
\draw [thin, dashed]
(#1) +(0,0) +(2,0) -- +(2,1) +(6,0) -- +(6,1);
\draw [very thin, dotted]
(#1) +(0,0) +(1,0) -- +(1,1) +(3,0) -- +(3,1)
+(5,0) -- +(5,1) +(7,0) -- +(7,1);
\path (#1) +(0,1) node [above right] {#2};
}
\newcommand\RegisterFull[5][32]{
\fill [#3] (#2.south west) +(0,0) rectangle +(4,1);
\fill [#4] (#2.south west) +(4,0) rectangle +(8,1);
\Register{#2.south west}{#5}
\node [sizenode] at ($ (#2.south west) + (60mm, 5mm) $) {#1};
}
\newcommand\RRFullFull[2][]{
\node (r1before) [Register] {};
\RegisterFull{r1before}{ColIgnored1}{ColIn1}{};
\node [Register, below=of r1before] (r1after) {};
\RegisterFull{r1after}{ColIgnored1}{ColOut}{}
\draw [black, dotted, rounded corners]
($ (r1after.south west) - (0.2,0.2) $) rectangle ($ (r1before.north east) + (0.2,0.2) $);
\path (r1before.south west) ++(0,1.0) +(0,0.2) node [above right] {R\textsubscript{1}};
\node (op) [operation, right=of r1before] {#2};
\node [Register, right= of op] (r2) {};
\RegisterFull{r2}{ColIgnored2}{ColIn2}{R\textsubscript{2}}
\draw [->,thick,ColIn1] (r1before.east) -- (op);
\draw [->,thick,ColIn2] (r2.west) -- (op);
\draw [->,thick,rounded corners,ColOut] (op) |- (r1after.east);
\ifthenelse{\equal{#1}{}}{}{
\node (bit) [ccbit, below right = 10mm and 10mm of op] {#1};
\draw [->,thick,black] (bit.north west) -- (op);
}
}
\def\add{\raisebox{-1.2em}{\LARGE{+}}}
\newcommand{\inst}[1]{\textbf{#1}}
\newcommand\Wrap[1]{
\scalebox{0.3}{
\begin{tikzpicture}[ scale=1.0, baseline=(current bounding box.center)] % .north
#1
\useasboundingbox
([shift={(0mm,2mm)}]current bounding box.north east)
rectangle
([shift={(0mm,-2mm)}]current bounding box.south west);
\end{tikzpicture}
}
}
\newsavebox\ltmcbox
\setlength{\columnsep}{3.5mm}
\begin{document}
\section*{xxx}
\begin{FlushLeft}
\begin{multicols*}{2}
\textbf{Author:} \shortdummytext
\textbf{Version:} \shortdummytext
\subsection*{Notes}
\shortdummytext
\textbf{Notation:} \shortdummytext \shortdummytext \shortdummytext
\begin{itemize}
\item \shortdummytext \shortdummytext \shortdummytext
\item \shortdummytext \shortdummytext
\item \shortdummytext \shortdummytext
\item \shortdummytext \shortdummytext
\item\shortdummytext \shortdummytext
\item \shortdummytext \shortdummytext
\item \shortdummytext
\item \shortdummytext
\end{itemize}
\textbf{Program exceptions:} \shortdummytext
\section*{xxx}
\subsection*{xxx}
\setlength{\columnsep}{2mm}
\begin{list}{}{}
\item \veryshortdummytext
\item \veryshortdummytext
\begin{tabular}[t]{@{}l@{\hspace{1mm}}l@{}}
0 & \veryshortdummytext \\
1 & \veryshortdummytext \\
2 & \veryshortdummytext \\
3 & \veryshortdummytext \\
\end{tabular}
\item This line is missing
\begin{itemize}
\item \veryshortdummytext
\end{itemize}
\end{list}
\setbox\ltmcbox\vbox{
\makeatletter\col@number\@ne
\small
\begin{longtable}[t]{@{}l@{\hspace{1mm}}l@{\hspace{1mm}}c@{}}
\inst{AR} &
R\textsubscript{1},R\textsubscript{2} &
\Wrap{\RRFullFull{\add}} \\
\inst{AR} &
R\textsubscript{1},R\textsubscript{2} &
\Wrap{\RRFullFull{\add}} \\
\inst{AR} &
R\textsubscript{1},R\textsubscript{2} &
\Wrap{\RRFullFull{\add}} \\
\inst{AR} &
R\textsubscript{1},R\textsubscript{2} &
\Wrap{\RRFullFull{\add}} \\
\inst{AR} &
R\textsubscript{1},R\textsubscript{2} &
\Wrap{\RRFullFull{\add}} \\
\inst{AR} &
R\textsubscript{1},R\textsubscript{2} &
\Wrap{\RRFullFull{\add}} \\
\inst{AR} &
R\textsubscript{1},R\textsubscript{2} &
\Wrap{\RRFullFull{\add}} \\
\inst{AR} &
R\textsubscript{1},R\textsubscript{2} &
\Wrap{\RRFullFull{\add}} \\
\inst{AR} &
R\textsubscript{1},R\textsubscript{2} &
\Wrap{\RRFullFull{\add}} \\
\inst{AR} &
R\textsubscript{1},R\textsubscript{2} &
\Wrap{\RRFullFull{\add}} \\
\inst{AR} &
R\textsubscript{1},R\textsubscript{2} &
\Wrap{\RRFullFull{\add}} \\
\inst{AR} &
R\textsubscript{1},R\textsubscript{2} &
\Wrap{\RRFullFull{\add}} \\
\inst{AR} &
R\textsubscript{1},R\textsubscript{2} &
\Wrap{\RRFullFull{\add}} \\
\inst{AR} &
R\textsubscript{1},R\textsubscript{2} &
\Wrap{\RRFullFull{\add}} \\
\inst{AR} &
R\textsubscript{1},R\textsubscript{2} &
\Wrap{\RRFullFull{\add}} \\
\inst{AR} &
R\textsubscript{1},R\textsubscript{2} &
\Wrap{\RRFullFull{\add}} \\
\inst{AR} &
R\textsubscript{1},R\textsubscript{2} &
\Wrap{\RRFullFull{\add}} \\
\inst{AR} &
R\textsubscript{1},R\textsubscript{2} &
\Wrap{\RRFullFull{\add}} \\
\inst{AR} &
R\textsubscript{1},R\textsubscript{2} &
\Wrap{\RRFullFull{\add}} \\
\inst{AR} &
R\textsubscript{1},R\textsubscript{2} &
\Wrap{\RRFullFull{\add}} \\
\inst{AR} &
R\textsubscript{1},R\textsubscript{2} &
\Wrap{\RRFullFull{\add}} \\
\end{longtable}
\unskip
\unpenalty
\unpenalty
}
\unvbox\ltmcbox
\subsection*{xxx}
\setlength{\columnsep}{2mm}
\begin{list}{}{}
\item This line is missing too
\item \veryshortdummytext 222
\begin{tabular}[t]{@{}l@{\hspace{1mm}}l@{}}
0 & \veryshortdummytext \\
1 & \veryshortdummytext \\
2 & \veryshortdummytext \\
3 & \veryshortdummytext \\
\end{tabular}
\item \veryshortdummytext
\begin{itemize}
\item \veryshortdummytext
\end{itemize}
\end{list}
\end{multicols*}
\end{FlushLeft}
\end{document}
（我暂时用 longtable 和 multicol 标记了这个，因为我要选择一些东西，但这只是一个猜测！请随意根据需要进行更改。）