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LuaLaTeX 引擎、babel 和 pdfx 包

tag-icon • tag-icon luatex babel pdfx
LuaLaTeX 引擎、babel 和 pdfx 包

spanish babel、包和 LuaLaTex 引擎的组合存在一个错误pdfx，使用此 MWE 可以很容易地进行测试：

\documentclass{article}

\usepackage[spanish]{babel} 

\usepackage{amsmath}
\usepackage{pdfx}   

\begin{document}

\begin{equation*}
P_{\max}=0.1
\end{equation*}

\end{document}

包含.log​

! Illegal unit of measure (pt inserted).
<to be read again> 
/
l.11 P_{\max
          }=0.1
? 
! Missing number, treated as zero.
<to be read again> 
\xdef 
l.11 P_{\max
          }=0.1
? 
! Illegal unit of measure (pt inserted).
<to be read again> 
\xdef 
l.11 P_{\max
          }=0.1
? 
! Illegal unit of measure (pt inserted).
<to be read again> 
/
l.11 P_{\max
          }=0.1
? 
! Missing = inserted for ifdim.
<to be read again> 
/
l.11 P_{\max
          }=0.1
? 
! Missing number, treated as zero.
<to be read again> 
/
l.11 P_{\max
          }=0.1
?

以及针对同一句话的一系列类似投诉。

答案1

这是 中的一个错误spanish，在 发生更改后出现pdfx。作为一种解决方法，在加载 后babel，写入：

\makeatletter
\def\es@fetchenc{%
  \begingroup
    \count@\escapechar \escapechar=\m@ne
      \edef\es@a{\expandafter\string\the\textfont\mathgroup}%
      \expandafter\split@name\es@a////\@nil
    \escapechar=\count@
    \@expandtwoargs\in@{////}{\f@size}%
    \ifin@\else
      \PackageError{spanish}{%
        Non-NFSS font name. The current math font (\es@a)\MessageBreak
        doesn't follow the NFSS conventions. I'll use the\MessageBreak
        default \string\i\space for \string\dotlessi,
        but expect a wrong output.}%
      {Find where this font has been (re)defined, and fix it.}%
      \def\f@encoding{OT1}%
    \fi
  \bbl@exp{\endgroup\def\\\f@encoding{\f@encoding}}}
\makeatother

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