这是这个帖子。标题中有三行，第一行（“AAAA...”）和第二行（“OF”）之间有一个尴尬的间隙。如何去掉它？
附言：我展示的是第三篇标题，因此我可以链接到它来自另一篇文章。
\documentclass[trimmed=true]{bookcover}
\usepackage{comment}
\usepackage{csquotes}
\usepackage{lipsum}
\usepackage{graphicx}
\usepackage{hyperref}
\usepackage{keyfloat}
\usepackage{xparse}
%coverwidth=〈length〉
%coverheight=〈length〉
%spinewidth=〈length〉
%flapwidth=〈length〉
%marklength=〈length〉
%bleedwidth=〈length〉
%markthick=〈length〉
%markcolor=〈color〉
%〈10pt|11pt|12pt〉
%trimmed=〈true|false〉
\NewDocumentCommand{\booktitleA}{}{FIRST}
\NewDocumentCommand{\booktitleB}{}{SECOND}
\NewDocumentCommand{\booktitleC}{}{THIRD}
\NewDocumentCommand{\booktitleCfn}{}{precision}
\NewDocumentCommand{\booktitleD}{}{FOURTH}
\begin{document}
% One-piece background parts: <----
% bg back flap,
% bg back,
% bg spine,
% bg front,
% bg front flap >------------------
% One-piece foreground parts: <----
% back flap,
% back,
% spine,
% front,
% front flap,
% above back,
% above front,
% below back,
% below front >--------------------
\begin{bookcover}
%\bookcovercomponent{center}{above front}{\color{blue}Remark above front} % You won't see it if [trimmed=true]
\bookcovercomponent{center}{spine}{\rotatebox[origin=c]{90}{\bfseries\large \booktitleA~\booktitleB }}
\bookcovercomponent{normal}{front}{
\begin{center}
\bfseries
{\large \booktitleA}
\vspace*{\fill}
{\huge AAAAAAAAAAAAAAAAAAAAAAAAA\\ OF\\ BBBBBBBBBBBBBBBBBBB}
\vspace*{\fill}
{\large \booktitleC}\footnotemark[1]\\
% https://tex.stackexchange.com/questions/509496/footnote-text-inside-a-bookcover-fails-to-display
\begin{minipage}{0.2 \textwidth}
\hrule
\noindent \footnotemark[1]\scriptsize \booktitleCfn
\end{minipage}
\vspace*{\fill}
\keyfig{lw=0.3,cstar={}}{example-image-a.png}
\vspace*{\fill}
{\huge \booktitleD}
\end{center}
\footnotetext{\booktitleCfn} % Try # 2
}
\end{bookcover}
\end{document}
答案1
只需将标题设置为可以轻松跨多行的对象即可，例如tabular：
% ...
{\huge \begin{tabular}{c}
AAAAAAAAAAAAAAAAAAAAAAAAA \\
OF \\
BBBBBBBBBBBBBBBBBBB
\end{tabular}}
% ...
