[tex4ht] [bug #605] Large difference in spacing of TOC between book and article class

[Nasser M. Abbasi]

URL:
  <http://puszcza.gnu.org.ua/bugs/?605>

                 Summary: Large difference in spacing of TOC between book and
article class
                 Project: tex4ht
            Submitted by: nma123
            Submitted on: Tue Jul 25 20:52:47 2023
                Category: None
                Priority: 5 - Normal
                Severity: 5 - Normal
                  Status: None
                 Privacy: Public
             Assigned to: None
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any

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Details:

reference and screen shots at  

https://tex.stackexchange.com/questions/691986/large-difference-in-spacing-of-toc-between-book-and-article-class-with-tex4ht-h

Compare this TOC in book class with tex4ht

--------------------------
\documentclass[12pt]{article}
\setcounter{tocdepth}{5} % for main TOC must be in preamble
\setcounter{secnumdepth}{5}

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

\tableofcontents

\section{section name}
section data
\subsection{subsection name}
subsection data
\subsubsection{subsubsection name}
subsubsection data
\paragraph{paragraph name}
paragraph data

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

Compiled with

make4ht -ulm default -a debug  main.tex 'mathjax,htm'

gives (showing only the TOC)

enter image description here

Notice the amount of shift to the right. Now compare with this MWE which is
the same but book class

------------------------------
\documentclass[12pt]{book}    

\setcounter{tocdepth}{5} % for main TOC must be in preamble
\setcounter{secnumdepth}{5}

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

\tableofcontents

\chapter{book name}
my book
\section{section name}
section data
\subsection{subsection name}
subsection data
\subsubsection{subsubsection name}
subsubsection data
\paragraph{paragraph name}
paragraph data       
\end{document}
-------------------------

Compiled using same command gives

enter image description here

I see two problems:

1. In first example above, the amount of shift to the right is too small, it
could be little larger, also the paragraph number which 1.1.1.1 is not shifted
to the right of the subsubsection

2. In book class, the amount of shift to the right is way too large compared
to the article class. It will be better if all classes have same amount of
shift in TOC. Notice that in book class the paragraph number is now shifted to
the right of the subsubsection, which is the correct way to do it, except the
shift is too large.

I just like to have nice looking TOC's, even in HTML and not just in PDF :)

Any suggestion how to fix the above two issues?

TL 2023

Thanks
--Nasser







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