[tex4ht] [bug #439] adding \pagestyle{fancy} gives compile error with tex4ht

[Nasser M. Abbasi]

URL:
  <http://puszcza.gnu.org.ua/bugs/?439>

                 Summary: adding \pagestyle{fancy} gives compile error with
tex4ht
                 Project: tex4ht
            Submitted by: nma123
            Submitted on: Tue 08 Oct 2019 12:22:18 AM EEST
                Category: None
                Priority: 5 - Normal
                Severity: 3 - Minor
                  Status: None
                 Privacy: Public
             Assigned to: None
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any

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Details:


reference:

https://tex.stackexchange.com/questions/511350/why-adding-pagestylefancy-gives-compile-error-with-tex4ht

This MWE

---------------
\documentclass[12pt]{article}%
\usepackage{fancyhdr}
\pagestyle{fancy}

\begin{document}
\section{$\cos \left(x\right)$}
test
\end{document}
-----------------

Gives this error

------------
make4ht foo1.tex
.......
(/usr/local/texlive/2019/texmf-dist/tex/generic/tex4ht/html4-math.4ht)
(/usr/local/texlive/2019/texmf-dist/tex/generic/tex4ht/html5.4ht))
(./foo1.aux)
! Argument of \im:g has an extra }.
<inserted text>
                \par
l.6 \section{$\cos \left(x\right)$}

?
-----------------

commenting out \pagestyle{fancy} the error goes away.

Also, which is more interesting, changing \section{$\cos \left(x\right)$} to
\section{$\cos x$} the error goes away! i.e.

----------------
\documentclass[12pt]{article}%
\usepackage{fancyhdr}
\pagestyle{fancy}

\begin{document}
\section{$\cos x$}
test
\end{document}
----------------

No error. So it looks like it is the use of \left and \right is what caused
the problem for text4ht when using fancyhrd

TL 2019 with latest updates as of 2 days ago.




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