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make4ht complains about "module 'luaxml-domobject' not found"

TeX - LaTeX Asked on December 11, 2020

I have installed make4ht using the command tlmgr install make4ht.

Now when I enter the command make4ht foo.tex, I get this error:

[STATUS]  make4ht: Conversion started
[STATUS]  make4ht: Input file: foo.tex
...texmf-dist/scripts/make4ht/filters/make4ht-domfilter.lua:2: module 'luaxml-domobject' not found:
        no field package.preload['luaxml-domobject']
        [kpse lua searcher] file not found: 'luaxml-domobject'
        [kpse C searcher] file not found: 'luaxml-domobject'

What else do I need to install before I can use make4ht successfully?

htmlmake4ht

One Answer

Let me answer how I resolved this issue. The comment by @michal.h21 helped.

Note that points 2 to 6 show false starts or attempts that did not lead to good looking results. Only the last point led to nice results.

  1. Create a file foo.tex which I will use to test that make4ht works successfully:

    documentclass{article}
usepackage{amsmath}
title{Demo}
begin{document}

begin{align}
1 + 0 & = 1, label{eq1} 
1 + 1 & = 2, label{eq2} 
e^{i pi} = -1. label{eq3}
end{align}

Equation ( eqref{eq1} ), ( eqref{eq2} ) and ( eqref{eq3} )
describe eternal truths.

The equation ( e^{i pi} = -1 ) can also be rewritten as ( e^{i pi}
+ 1 = 0 ) which is known as Euler's identity.
end{document}

  2. Install make4ht and compile foo.tex to foo.html as follows:

    sudo tlmgr install make4ht
make4ht foo

    This led to the following error:

    [STATUS]  make4ht: Conversion started
[STATUS]  make4ht: Input file: foo
...texmf-dist/scripts/make4ht/filters/make4ht-domfilter.lua:2: module 'luaxml-domobject' not found:
        no field package.preload['luaxml-domobject']
        [kpse lua searcher] file not found: 'luaxml-domobject'
        [kpse C searcher] file not found: 'luaxml-domobject'

  3. Install make4ht and luaxml and try again:

    sudo tlmgr install make4ht luaxml
make4ht foo

    This led to the following error:

    [STATUS]  make4ht: Conversion started
[STATUS]  make4ht: Input file: foo
[ERROR]   htlatex: Compilation errors in the htlatex run
[ERROR]   htlatex: Filename     Line    Message
[ERROR]   htlatex: ?    ?        LaTeX Error: File `tex4ht.sty' not found.
[ERROR]   htlatex: ?    2        Emergency stop.
[FATAL]   make4ht-lib: Fatal error. Command htlatex returned exit code 1

  4. Install make4ht, luaxml, and tex4ht, and try again:

    sudo tlmgr install make4ht luaxml tex4ht
make4ht foo

    The conversion succeeded this time:

    [STATUS]  make4ht: Conversion started
[STATUS]  make4ht: Input file: foo
sh: dvipng: command not found
sh: dvipng: command not found
sh: dvipng: command not found
sh: dvipng: command not found
sh: dvipng: command not found
[STATUS]  make4ht: Conversion finished

    Here is how the output foo.html looked:

    <!DOCTYPE html> 
<html lang='en-US' xml:lang='en-US'> 
<head><title></title> 
<meta charset='utf-8' /> 
<meta content='TeX4ht (https://tug.org/tex4ht/)' name='generator' /> 
<meta content='width=device-width,initial-scale=1' name='viewport' /> 
<link href='foo.css' type='text/css' rel='stylesheet' /> 
<meta content='foo.tex' name='src' /> 
</head><body>
<!-- l. 6 --><p class='noindent'>
</p><table class='align'>
                           <tr><td class='align-odd'>1 + 0</td>                               <td class='align-even'> = 1<span class='cmmi-10'>,</span></td>                                                      <td class='align-label'><a id='x1-2r1'></a>(1)
                           </td></tr><tr><td class='align-odd'>1 + 1</td>                               <td class='align-even'> = 2<span class='cmmi-10'>,</span></td>                                                      <td class='align-label'><a id='x1-3r2'></a>(2)
                           </td></tr><tr><td class='align-odd'><span class='cmmi-10'>e</span><sup><span class='cmmi-7'>iπ</span></sup> = <span class='cmsy-10'>−</span>1<span class='cmmi-10'>.</span></td>                           <td class='align-even'></td>                               <td class='align-label'><a id='x1-4r3'></a>(3)                                                      </td></tr></table>
<!-- l. 12 --><p class='noindent'>Equation <img alt='(1)  ' src='foo0x.png' class='math' />, <img alt='(2)  ' src='foo1x.png' class='math' /> and <img alt='(3)  ' src='foo2x.png' class='math' /> describe eternal truths.
</p><!-- l. 15 --><p class='indent'>   The equation <img alt='eiπ = − 1  ' src='foo3x.png' class='math' /> can also be rewritten as <img alt='eiπ + 1 = 0  ' src='foo4x.png' class='math' /> which is known
as Euler’s identity. </p> 
</body> 
</html>

    The math rendered using HTML and images does not look great.

  5. Render math using MathJax:

    make4ht foo mathjax

    The conversion fails:

    [STATUS]  make4ht: Conversion started
[STATUS]  make4ht: Input file: foo
[ERROR]   htlatex: Compilation errors in the htlatex run
[ERROR]   htlatex: Filename     Line    Message
[ERROR]   htlatex: ?    ?        LaTeX Error: File `environ.sty' not found.
[ERROR]   htlatex: ?    22       Emergency stop.
[FATAL]   make4ht-lib: Fatal error. Command htlatex returned exit code 1

  6. Install make4ht, luaxml, tex4ht, and environ and try again:

    sudo tlmgr install make4ht luaxml tex4ht environ
make4ht foo mathjax

    It fails again:

    [STATUS]  make4ht: Conversion started
[STATUS]  make4ht: Input file: foo
[ERROR]   htlatex: Compilation errors in the htlatex run
[ERROR]   htlatex: Filename     Line    Message
[ERROR]   htlatex: ?    ?        LaTeX Error: File `trimspaces.sty' not found.
[ERROR]   htlatex: ?    17       Emergency stop.
[FATAL]   make4ht-lib: Fatal error. Command htlatex returned exit code 1

  7. Install make4ht, luaxml, tex4ht, environ, and trimspaces and try again:

    sudo tlmgr install make4ht luaxml tex4ht environ trimspaces
make4ht foo mathjax

    The conversion is successful:

    [STATUS]  make4ht: Conversion started
[STATUS]  make4ht: Input file: foo
[STATUS]  make4ht: Conversion finished

    Here is the output foo.html:

    <!DOCTYPE html> 
<html xml:lang='en-US' lang='en-US'> 
<head><title></title> 
<meta charset='utf-8' /> 
<meta name='generator' content='TeX4ht (https://tug.org/tex4ht/)' /> 
<meta name='viewport' content='width=device-width,initial-scale=1' /> 
<link href='foo.css' type='text/css' rel='stylesheet' /> 
<meta name='src' content='foo.tex' /> 
<script>window.MathJax = { tex: { tags: "ams", inlineMath: [ ["(",")"] ], displayMath: [ ['$$','$$'], ["[","]"] ], processEscapes: true, processEnvironments: true, packages: ['base', 'color', 'ams'] }, loader: { load: ['[tex]/color', '[tex]/ams'] } }; </script> 
 <script id='MathJax-script' type='text/javascript' async='async' src='https://cdn.jsdelivr.net/npm/mathjax@3/es5/tex-chtml-full.js'></script>  
</head><body>
<!-- l. 10 --><p class='noindent'>begin{align} 1 + 0 &amp; = 1, label{eq1}  1 + 1 &amp; = 2, label{eq2}  e^{i pi } = -1. label{eq3} end{align}
</p><!-- l. 12 --><p class='noindent'>Equation ( eqref{eq1} ), ( eqref{eq2} ) and ( eqref{eq3} ) describe eternal truths.
</p><!-- l. 15 --><p class='indent'>   The equation ( e^{i pi } = -1 ) can also be rewritten as ( e^{i pi } + 1 = 0 ) which is known as Euler’s identity.
</p> 
</body> 
</html>

    Here is an example JSFiddle that shows the output: https://jsfiddle.net/9xubrm47/.

Correct answer by Lone Learner on December 11, 2020

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