[tex4ht] [bug #592] inconsistent font sizes used for subsubsection/paragraph titles in tex4ht. How to fix?

[Nasser M. Abbasi]

copy/paste error. Forgeot the document class when copying.

MWE should be

--------------------------
\documentclass{book}

\setcounter{tocdepth}{5}
\setcounter{secnumdepth}{5}

\begin{document}
\title{my book title}
\author{me}
\date{\today}
\maketitle

\part{first part}
\chapter{first chapter}
\section{first section}
\subsection{first subsection}
\subsubsection{first subsubsection}
\paragraph{first paragraph}

\end{document}
-----------------------------

On 1/1/2023 12:28 PM, Nasser M. Abbasi wrote:
> URL:
>    <http://puszcza.gnu.org.ua/bugs/?592>
> 
>                   Summary: inconsistent font sizes used for
> subsubsection/paragraph titles in tex4ht. How to fix?
>                   Project: tex4ht
>              Submitted by: nma123
>              Submitted on: Sun Jan  1 18:28:48 2023
>                  Category: None
>                  Priority: 5 - Normal
>                  Severity: 5 - Normal
>                    Status: None
>                   Privacy: Public
>               Assigned to: None
>          Originator Email:
>               Open/Closed: Open
>           Discussion Lock: Any
> 
>      _______________________________________________________
> 
> Details:
> 
> 
> Reference and screen shot at
> 
> https://tex.stackexchange.com/questions/670328/inconsistent-font-sizes-used-for-subsubsection-paragraph-titles-in-tex4ht-how-t
> 
> I noticed in tex4ht that the size of the font used for the paragraph title is
> the same as that of the section title (i.e. too large) and the size of the
> font for the subsubsection is smaller than that used for the paragraph, which
> it should be larger or at least the same size.
> 
> This makes looking at titles confusing as font size gives indication of
> order.
> 
> The font size should decrease all the way from chapter to paragraph. Now it
> decreases but then starts to increase once it reaches paragraph.
> 
> in PDF, it is consistent, as the sizes decrease correctly from chapter to
> paragraph. Screen shots below
> 
> MWE
> 
> ----------------------
> \begin{document}
> \title{my book title}
> \author{me}
> \date{\today}
> \maketitle
> 
> \part{first part}
> \chapter{first chapter}
> \section{first section}
> \subsection{first subsection}
> \subsubsection{first subsubsection}
> \paragraph{first paragraph}
> 
> \end{document}
> -----------------------
> 
> 
> Compiled using
> 
> make4ht -ulm default -a debug  foo.tex 'mathjax,htm'
> 
> Gives
> 
>            enter image description here
> 
> Compare to the pdf where the sizes decreases uniformly (but hard to see if
> font used for paragraph is smaller or same as subsubsection, but at least it
> is not larger like with the HTML)
> 
>        enter image description here
> 
> Question is: How to make the size of the font used for paragraph title with
> tex4ht not be larger than subsubsection? Is there a way to control these
> settings?
> 
> TL 2022
> 
> 
> 
> 
> 
>      _______________________________________________________
> 
> Reply to this item at:
> 
>    <http://puszcza.gnu.org.ua/bugs/?592>
> 
> _______________________________________________
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>