我不明白哪个文件缺少括号。有人能帮我理解这个错误信息吗？它是在抱怨 thesis.sta 文件吗？
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(./thesis.ltx
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(./thesis.sta)
! Extra }, or forgotten \endgroup.
l.555 }
%
?
当我删除 thesis.sta 文件时，它可以正常编译。但是，我没有在 .sta 文件中看到任何错误。这是它的内容。
\standalonepreambles
\subpreamble{fig-3.tex}
\usepackage {tikz}\usetikzlibrary {arrows.meta, automata, bending, positioning, shapes.misc}\tikzstyle {automaton}=[shorten >=1pt, >={Stealth[bend,round]}, initial text=]\tikzstyle {accepting}=[accepting by arrow]
\endsubpreamble
\subpreamble{fig-7.tex}
\usepackage {tikz}\usetikzlibrary {arrows.meta, automata, bending, positioning, shapes.misc}\tikzstyle {automaton}=[shorten >=1pt, >={Stealth[bend,round]}, initial text=]\tikzstyle {accepting}=[accepting by arrow]
\endsubpreamble
我正在添加 MWE。
\documentclass{article}
\usepackage[subpreambles=true]{standalone}
\begin{document}
test
} %% this is an error, and will correctly cause compilation to fail, but remove it and complilation still failes until you remove the mwe.st
\end{document}
要重现此问题，请使用 latexmk --pdf mwe.ltx 进行编译。由于结尾的 } 字符太多，会报告错误。修复错误，然后重新运行 latexmk，以查看错误：
(./mwe.sta)
! Extra }, or forgotten \endgroup.
l.555 }
%
答案1
如果你将该文本复制到任何编辑器中并输入结束符，)它应该会显示最接近的不匹配(行是
(/usr/local/texlive/2018/texmf-dist/tex/latex/standalone/standalone.sty
}因此在555 行检测到错误，standalone.sty其中
\begingroup
\setbox\@tempboxa\hbox{%
\makeatother
\InputIfFileExists{\jobname.sta}{}{\PackageInfo{standalone}{STA file not found!}{}{}}%
}%
这与日志中显示的内容相匹配，紧接着\jobname.sta被读取，如下所示
(./thesis.sta)
但这仅意味着您之前拥有的一些代码可能thesis.sta已损坏。