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<div class="moz-cite-prefix">On 02/07/2024 18:30, Aleks Kleyn wrote:<br>
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<blockquote type="cite" cite="mid:006401dacca5$948957f0$bd9c07d0$@org">
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">\documentclass{amsbook}<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">\usepackage{cmap}<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">\usepackage[T2A,T2B]{fontenc}<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">\usepackage[english,russian]{babel}<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">\selectlanguage{russian}<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">\begin{document}<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">\renewcommand\chaptername{Дневник поиска}%<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">\chapter{Булеановы алгебры}<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">\section{Порождённые отображения}<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">text<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">\end{document}</span></p>
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<p>It's a bug in the class, it should never apply \uppercase to user input as it will break the encoding support.</p>
<p>If you patch it to use \MakeUppercase you get</p>
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<p><img src="cid:part1.M8VQsQqQ.W4Ksm4E8@nag.co.uk" alt=""></p>
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<p>\documentclass{amsbook}<br>
<br>
\usepackage{etoolbox}<br>
\makeatletter<br>
\patchcmd\@makechapterhead{\uppercase\@xp}{\MakeUppercase}<br>
{\typeout{patched}}{\typeout{notpatched}}<br>
\makeatother<br>
\usepackage[T2A,T2B]{fontenc}<br>
<br>
\usepackage[english,russian]{babel}<br>
<br>
\selectlanguage{russian}<br>
<br>
<br>
<br>
\begin{document}<br>
<br>
\renewcommand\chaptername{Дневник поиска}%<br>
<br>
\chapter{Булеановы алгебры}<br>
<br>
\section{Порождённые отображения}<br>
<br>
text<br>
<br>
\end{document}<br>
</p>
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