最近更新后，章节号和图号之间的点消失了。这是一个最简单的例子。
\documentclass[]{memoir}
\begin{document}
\frontmatter
Some text
\mainmatter
\chapter{Chapter name}
\begin{figure}
\caption{A figure}\label{A caption}
\end{figure}
Some text~\ref{A caption}
\end{document}
标题应为“图 1.1：一个图”，但我得到的却是“图 11：一个图”。
完整的日志文件是
This is pdfTeX, Version 3.14159265-2.6-1.40.19 (MiKTeX 2.9.6670 64-bit) (preloaded format=pdflatex 2018.4.19) 19 APR 2018 19:30
entering extended mode
**./aaa.tex
(aaa.tex
LaTeX2e <2018-04-01> patch level 2
Babel <3.18> and hyphenation patterns for 76 language(s) loaded.
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LaTeX Info: Redefining \em on input line 7578.
LaTeX Info: Redefining \emph on input line 7586.
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LaTeX Info: Redefining \: on input line 12100.
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) (aaa.aux)
\openout1 = `aaa.aux'.
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[1{C:/Users/Carlos Tiago/AppData/Local/MiKTeX/2.9/pdftex/config/pdftex.map}
] [2
]
[1
] (aaa.aux) )
Here is how much of TeX's memory you used:
3529 strings out of 492972
47082 string characters out of 3135837
136157 words of memory out of 3000000
7459 multiletter control sequences out of 15000+200000
5803 words of font info for 21 fonts, out of 3000000 for 9000
1141 hyphenation exceptions out of 8191
31i,10n,24p,153b,221s stack positions out of 5000i,500n,10000p,200000b,50000s
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Output written on aaa.pdf (3 pages, 24368 bytes).
PDF statistics:
20 PDF objects out of 1000 (max. 8388607)
0 named destinations out of 1000 (max. 500000)
1 words of extra memory for PDF output out of 10000 (max. 10000000)
答案1
memoir在新版 LaTeX 格式的错误修复之前，你可以明确使用仍然提供的版本
\makeatletter
\renewcommand{\counterwithin}{\@ifstar{\@csinstar}{\@csin}}
\makeatother
在你的序言中。
感谢jfbu的分析。
答案2
最初，\thefigure有点
> \thefigure=\long macro:
->\thechapter .\@arabic \c@figure .
l.2 \show\thefigure
\frontmatter重置为\counterwithout {figure}{chapter}\thefigure
> \thefigure=macro:
->\@arabic \c@figure .
l.12 \show\thefigure
点消失的位置（上文中的最后一个点总是由 添加\show）。
作为扩展的一部分，\mainmatter我们还看到
\@secondoftwo #1#2->#2
#1<-\@nocounterr {chapter}
#2<-\@addtoreset {figure}{chapter}\expandafter \gdef \csname thefigure\expandaf
ter \endcsname \expandafter {\csname thechapter\expandafter \endcsname \expanda
fter \@arabic \csname c@figure\endcsname }
因此再次\thefigure定义没有点。
后者来自于以下扩展：
\@memmain@floats ->\counterwithin {figure}{chapter} \counterwithin {table}{chap
ter}
所以这似乎\counterwithout/\counterwithin是罪魁祸首。也许是最近 LaTeX 格式的变化？
（我将进行进一步调查并报告）
就像我在 TL2017 中看到的回忆录一样
\@csin #1#2->\@ifbothcntrs {#1}{#2}{\@addtoreset {#1}{#2}\@namedef {the#1}{\@na
meuse {the#2}.\arabic {#1}}}
#1<-figure
#2<-chapter
通过回忆录 + TL2018 当前我看到
\counterwithin@x #1#2->\@ifbothcounters {#1}{#2}{\@addtoreset {#1}{#2}\expandaf
ter \gdef \csname the#1\expandafter \endcsname \expandafter {\csname the#2\expa
ndafter \endcsname \expandafter \@arabic \csname c@#1\endcsname }}
这是点消失的地方。两者都从
\@memmain@floats ->\counterwithin {figure}{chapter} \counterwithin {table}{chap
ter}
但扩展\counterwithin已经改变。新的回忆录
\providecommand{\counterwithin}{\@ifstar{\@csinstar}{\@csin}}
\providecommand{\@csinstar}[2]{%
\@ifbothcntrs{#1}{#2}{\@addtoreset{#1}{#2}}}
\providecommand{\@csin}[2]{%
\@ifbothcntrs{#1}{#2}{\@addtoreset{#1}{#2}%
\@namedef{the#1}{\@nameuse{the#2}.\arabic{#1}}}}
而前者
\newcommand{\counterwithin}{\@ifstar{\@csinstar}{\@csin}}
\newcommand{\@csinstar}[2]{%
\@ifbothcntrs{#1}{#2}{\@addtoreset{#1}{#2}}}
\newcommand{\@csin}[2]{%
\@ifbothcntrs{#1}{#2}{\@addtoreset{#1}{#2}%
\@namedef{the#1}{\@nameuse{the#2}.\arabic{#1}}}}
TL2017 的 LaTeX 没有定义\counterwithin：
$ latexdef counterwithin
\counterwithin:
undefined
但 TL2018 的 LaTeX 确实定义了它
$ latexdef counterwithin
\counterwithin:
macro:->\@ifstar \counterwithin@s \counterwithin@x
\providecommand回忆录所做的谨慎工作2018/04/04 v3.7g并没有推翻\counterwithinLaTeX 的现在。但是这个没有添加点...
因此，需要向回忆录和 LaTeX2e 的维护者提供一份报告……
这似乎是 LaTeX2e 的一个错误，因为定义中不包含描述中的点：
