Dear Tomáš, I've identified another issue with exerquiz, here is the updated exerquiz.4ht file:
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % exerquiz.4ht 2019-09-14-15:17 % % Copyright (C) 1999-2009 Eitan M. Gurari % % Copyright 2009-2019 TeX Users Group % % This work may be distributed and/or modified under the % conditions of the LaTeX Project Public License, either % version 1.3c of this license or (at your option) any % later version. The latest version of this license is in % http://www.latex-project.org/lppl.txt % and version 1.3c or later is part of all distributions % of LaTeX version 2005/12/01 or later. % % This work has the LPPL maintenance status "maintained". % % The Current Maintainer of this work % is the TeX4ht Project <http://tug.org/tex4ht>. % % If you modify this program, changing the % version identification would be appreciated. \def\headerps@out#1{} \let\Form\relax \let\endForm\relax It fixes spurious <form> elements that are inserted in the first and the last HTML file. They cause make4ht post-processing to fail. Thin in turn results in lot of spurious <span> elements for Czech accented characters in the unprocessed files. Best regards, Michal
