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xelatex + biblatex + 西里尔文或希腊文中的虚假标点符号

tag-icon • tag-icon biblatex xetex punctuation
xelatex + biblatex + 西里尔文或希腊文中的虚假标点符号

Biblatex有一种防止伪标点符号的机制。通常，它可以正常工作，但在xetex某些语言中会失败。下面的 MWE 用 pdflatex 编译得很好，但用 xelatex 编译时，希腊语和俄语的大写字母后会出现双点。问题可能出在哪里？

\RequirePackage{filecontents}
\begin{filecontents}{\jobname.bib}
@PUNCT{pat1,
  location = {W.},
  publisher = {U.},
  usere={w.},
  userf={u.},
  language = {english},
  hyphenation = {english},
}
@PUNCT{pat2,
  location = {Ψ.},
  publisher = {Ω.},
  usere={ψ.},
  userf={ω.},
  language = {greek},
  hyphenation = {greek},
}
@PUNCT{pat3,
  location = {Ш.},
  publisher = {Ж.},
  usere={ш.},
  userf={ж.},
  language = {russian},
  hyphenation = {russian},
}
\end{filecontents}
\documentclass{article}
\usepackage{ifxetex}
\ifxetex
%------------ XeTeX -------------------------------------
\usepackage{fontspec}
\defaultfontfeatures{Mapping=tex-text}
\newfontfamily\greekfont{CMU Serif}
\newfontfamily\cyrillicfont{CMU Serif}
\usepackage{polyglossia}
\setdefaultlanguage{greek}
\setotherlanguages{english,russian}
\else
%------------ pdftex ---------------------------------
\usepackage[T1,T2A,LGR]{fontenc}
\usepackage[utf8]{inputenx}
\usepackage[english,russian,greek]{babel}
\fi
\usepackage[autolang=other]{biblatex}
\addbibresource{\jobname.bib}

\DeclareBibliographyDriver{punct}{%
  \printfield{usere}\addperiod
  \printfield{userf}\addperiod
  \printlist{location}\addperiod
  \printlist{publisher}\finentry}

\begin{document}
\nocite{*}
\printbibliography
\end{document}

xelatex 标点符号

答案1

该问题已在 biblatex 3.4 和 biber 2.5 的当前 DEV 版本中修复。请参阅https://github.com/plk/biblatex/issues/368。

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