% $Id: tex4ht-html5.tex 1284 2023-01-10 21:33:09Z karl $
% compile 3 times: latex tex4ht-moz
%           or   xhlatex tex4ht-moz "html,3,sections+"
%
% Copyright 2009-2023 TeX Users Group
% Copyright 2000-2009 Eitan M. Gurari
% Released under LPPL 1.3c+.
% See tex4ht-cpright.tex for license text.

%%%%%%%%%%%%%%%%%% load style files %%%%%%%%%%%%%%%%%%%%%%%%%%

\ifx \HTML\UnDef
   \def\HTML{html5}                   
   \def\CONFIG{\jobname}
   \def\MAKETITLE{\author{Eitan M. Gurari}}         
   \def\next{\input mktex4ht.4ht  \endinput}
   \expandafter\next
\fi

\input{common.tex}
\input{tex4ht-cpright.tex}

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\chapter{Preamble}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

\<html5\><<<
% html5.4ht (|version), generated from |jobname.tex
% Copyright 2016-2023 TeX Users Group
|<TeX4ht copywrite|>
>>>

  



%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\chapter{Basic configurations}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%


%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\section{HTML5 structure}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%


\<configure html5 tex4ht\><<<
|<patch charset|>
\Configure{VERSION}{}
\Configure{DOCTYPE}{\HCode{<!DOCTYPE html>\Hnewline}}
\Configure{HTML}{\HCode{<html lang="\Get:Language" xml:lang="\Get:Language" \html:xmlns>\Hnewline}}{\HCode{\Hnewline</html>}}
\Configure{@HEAD}{}
\Configure{@HEAD}{\HCode{<meta \use:charset />\Hnewline}}
\Configure{@HEAD}{\HCode{<meta name="generator" content="TeX4ht
(https://tug.org/tex4ht/)" />\Hnewline}}
\Configure{@HEAD}{\HCode{<meta name="viewport" content="width=device-width,initial-scale=1" />\Hnewline}}
\Configure{@HEAD}{\HCode{<link
             rel="stylesheet" type="text/css"
                      href="\expandafter\csname aa:CssFile\endcsname" />\Hnewline}}
\Configure{@HEAD}
   {\HCode{<meta name="src"
                 content="\jobname.tex"\xml:empty>\Hnewline}} 
\:CheckOption{timestamp}\if:Option
\Configure{@HEAD}
   {\HCode{<meta name="date"
                 content="\:today"\xml:empty>\Hnewline}} 
\else
  \Log:Note{To print a timestamp, use the command line option timestamp}
\fi
>>>

\section{Default CSS style}

This style fixes some common issues regarding size of sectioning commands,
background of generated images in the dark mode, or line lenght. 


\<configure html5 tex4ht\><<<
\:CheckOption{nostyle}\if:Option
\else
\Log:Note{We use a default CSS style. Use the `nostyle' option if you want to use custom a CSS design}
\Css{body{
    margin:1em auto;
    max-width:80ch;
    padding:0 .62em;
}}

\Css{h1,h2,h3,h4,h5 {
    line-height:1.2;
}}
\Css{@media print{
    body{
      max-width:none
    }
}}
\Css{.partHead, likepartHead  { font-size: 2em; }}
\Css{.chapterHead, likechapterHead  { font-size: 1.7411em; }}
\Css{.sectionHead, likesectionHead  { font-size: 1.5157em; }}
\Css{.subsectionHead, likesubsectionHead  { font-size: 1.3195em; }}
\Css{.subsubsectionHead, likesubsubsectionHead  { font-size: 1.1487em; }}

\Css{
  @media (prefers-color-scheme: dark) {
    img[src^="\jobname"]{filter: invert(1); }
  }
}
\fi
>>>


%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\section{Language and charset setting}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

Charset can be set using charset=charsetcode option for tex4ht.sty. It is saved in \verb|\a:charset| macro. 
If charset oprion isn't used, \verb|\A:charset| is used instead. Bot of these macros store the charset information
in charset=name form. We need to add quotes around name in html5, thus the following macro.

\<patch charset\><<<

\def\:charset:quotes#1=#2.{
  #1="#2"%
}
\def\use:charset{%
  \expandafter\ifx\csname a:charset\endcsname\relax%
    \expandafter\expandafter\expandafter\:charset:quotes\csname A:charset\endcsname.
  \else%
    \expandafter\expandafter\expandafter\:charset:quotes\csname a:charset\endcsname.
  \fi
}
>>>


We can interfere the document language from \verb|\bbl@main@language| macro. It
is supported by both Babel and Polyglossia.

\<configure html5 tex4ht\><<<
\def\Declare:Language#1#2{%
\expandafter\gdef\csname rfclang#1\endcsname{#2}%
}
\def\Get:Language{%
\ifx\bbl@main@language\@undefined en-US%  
\else%
\expandafter\ifdefined\csname rfclang\bbl@main@language\endcsname \csname rfclang\bbl@main@language\endcsname\fi%
\fi%
}

\Declare:Language{UKenglish}{en}
\Declare:Language{USenglish}{en}
\Declare:Language{latex}{en}
\Declare:Language{acadian}{fr}
\Declare:Language{albanian}{sq}
\Declare:Language{american}{en}
\Declare:Language{amharic}{am}
\Declare:Language{arabic}{ar}
\Declare:Language{armenian}{hy}
\Declare:Language{australian}{en}
\Declare:Language{austrian}{de}
\Declare:Language{basque}{eu}
\Declare:Language{bengali}{bn}
\Declare:Language{brazilian}{pt}
\Declare:Language{brazil}{pt}
\Declare:Language{breton}{br}
\Declare:Language{british}{en}
\Declare:Language{bulgarian}{bg}
\Declare:Language{canadian}{en}
\Declare:Language{canadien}{fr}
\Declare:Language{catalan}{ca}
\Declare:Language{croatian}{hr}
\Declare:Language{czech}{cs}
\Declare:Language{danish}{da}
\Declare:Language{divehi}{dv}
\Declare:Language{dutch}{nl}
\Declare:Language{english}{en}
\Declare:Language{esperanto}{eo}
\Declare:Language{estonian}{et}
\Declare:Language{finnish}{f\/i}
\Declare:Language{francais}{fr}
\Declare:Language{french}{fr}
\Declare:Language{galician}{gl}
\Declare:Language{germanb}{de}
\Declare:Language{german}{de}
\Declare:Language{greek}{el}
\Declare:Language{hebrew}{he}
\Declare:Language{hindi}{hi}
\Declare:Language{hungarian}{hu}
\Declare:Language{icelandic}{is}
\Declare:Language{interlingua}{ia}
\Declare:Language{irish}{ga}
\Declare:Language{italian}{it}
\Declare:Language{kannada}{kn}
\Declare:Language{khmer}{km}
\Declare:Language{korean}{ko}
\Declare:Language{lao}{lo}
\Declare:Language{latin}{la}
\Declare:Language{latvian}{lv}
\Declare:Language{lithuanian}{lt}
\Declare:Language{lowersorbian}{dsb}
\Declare:Language{magyar}{hu}
\Declare:Language{malayalam}{ml}
\Declare:Language{marathi}{mr}
\Declare:Language{naustrian}{de}
\Declare:Language{newzealand}{en}
\Declare:Language{ngerman}{de}
\Declare:Language{norsk}{no}
\Declare:Language{norwegiannynorsk}{nn}
\Declare:Language{nynorsk}{no}
\Declare:Language{occitan}{oc}
\Declare:Language{oldchurchslavonic}{cu}
\Declare:Language{persian}{fa}
\Declare:Language{polish}{pl}
\Declare:Language{polutonikogreek}{el}
\Declare:Language{portuges}{pt}
\Declare:Language{portuguese}{pt}
\Declare:Language{romanian}{ro}
\Declare:Language{romansh}{rm}
\Declare:Language{russian}{ru}
\Declare:Language{samin}{se}
\Declare:Language{sanskrit}{sa}
\Declare:Language{scottish}{gd}
\Declare:Language{serbian}{sr}
\Declare:Language{serbo-croatian}{sh}
\Declare:Language{slovak}{sk}
\Declare:Language{slovene}{sl}
\Declare:Language{slovenian}{sl}
\Declare:Language{spanish}{es}
\Declare:Language{swedish}{sv}
\Declare:Language{tamil}{ta}
\Declare:Language{telugu}{te}
\Declare:Language{thai}{th}
\Declare:Language{tibetan}{bo}
\Declare:Language{turkish}{tr}
\Declare:Language{turkmen}{tk}
\Declare:Language{ukrainian}{uk}
\Declare:Language{uppersorbian}{hsb}
\Declare:Language{urdu}{ur}
\Declare:Language{vietnamese}{vi}
\Declare:Language{welsh}{cy}
>>>

Support for xml name spaces. It must be configured after
\verb|\begin{document}| in the configuration file.

\<configure html5 tex4ht\><<<
\edef\html:xmlns{}
\NewConfigure{xmlns}[2]{%
  \ifx\relax#2\relax%
    \edef\html:xmlns{}%
  \else%
    \edef\html:xmlns{\html:xmlns xmlns\ifx\relax#1\relax\else :#1\fi="#2"}%
  \fi%
}
>>>

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\chapter{LaTeX and classes configurations}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%


\section{LaTeX}

\<configure html5 latex\><<<
|<tabular fixes|>
>>>

\section{Article, book and report classes}
\<configure html5 article\><<<
|<article,report,book|>
|<article,report|>
>>>

\<configure html5 book\><<<
|<article,report,book|>
>>>

\<configure html5 report\><<<
|<article,report,book|>
|<article,report|>
>>>

Shared configurations for base LaTeX classes.

\<article,report,book\><<<
|<figcaption|>
>>>

Configurations that are shared only for article and report

\<article,report\><<<
|<abstract|>
>>>


\section{Configurations for Koma Script}

\<configure html5 scrartcl\><<<
|<scr article,report,book|>
>>>

\<configure html5 scrbook\><<<
|<scr article,report,book|>
>>>

\<configure html5 scrreprt\><<<
|<scr article,report,book|>
>>>

\<scr article,report,book\><<<
|<figcaption|>
>>>

\section{Configurations for AMS classes}

\<configure html5 amsart\><<<
|<ams art,proc,book|>
>>>

\<configure html5 amsproc\><<<
|<ams art,proc,book|>
>>>

\<configure html5 amsbook\><<<
|<ams art,proc,book|>
>>>


\<ams art,proc,book\><<<
|<figcaption|>
>>>

\section{Configurations for Memoir}

\<configure html5 memoir\><<<
|<figcaption|>
|<abstract|>
>>>

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\chapter{Packages configuration}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\chapter{Logical structure configurations}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\section{Tables}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

cellspacing and cellpading attributes are prohibited in html5

\<tabular fixes\><<<
\Configure{halignTB<>}{tabular}{\HCode{id="TBL-\TableNo"  class="tabular"\Hnewline \GROUPS\Hnewline
   }<>\HAlign}
>>>

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\section{Figures}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

Configure HTML5 figures. Floats are converted as captions too.

\<figcaption\><<<
\Configure{float}
   {\ifOption{refcaption}{}{\csname par\endcsname\ShowPar \leavevmode}}
     {\:xhtml{\IgnorePar\EndP}\HCode{<figure class="float"\Hnewline>}}
   {\ifvmode \IgnorePar \fi\EndP
     \HCode{</figure>}\csname par\endcsname\ShowPar}

\ConfigureEnv{figure}
{\:xhtml{\IgnorePar\EndP}\HCode{<figure class="figure">\Hnewline}%
    \bgroup \Configure{float}{\ShowPar}{}{}%    
   }
   {\egroup
   \:xhtml{\IgnorePar\EndP}\HCode{</figure>}|<try env inline par|>\par}
   {}{}

\ConfigureEnv{figure*}
{\:xhtml{\IgnorePar\EndP}\HCode{<figure class="figure">\Hnewline}%
    \bgroup \Configure{float}{\ShowPar}{}{}%    
   }
   {\egroup
   \:xhtml{\IgnorePar\EndP}\HCode{</figure>}|<try env inline par|>\par}
   {}{}

\Css{figure.float, div.figure {margin-left: auto; margin-right: auto;}}
\Css{figure.figure {text-align:center;}}

\Configure{caption}{\:xhtml{\IgnorePar\EndP}\HCode{<figcaption class="caption" ><span class="id">}}
   {: } {\HCode{</span><span \Hnewline class="content">}}
   {\HCode{</span></figcaption>}\HCode{<!--tex4ht:label?:
   \cur:th\:currentlabel\space-->}%
}
\Css{figcaption.caption {text-indent:-2em; margin-left:3em; margin-right:1em;
                  text-align:center;}}
\Css{figcaption.caption span.id{font-weight: bold; white-space: nowrap; }}
\Css{p + figcaption, img + figcaption{margin-top: 1em;}}
>>>

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\section{Abstracts}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%



\<abstract\><<<
\ConfigureEnv{abstract}
{\ifvmode\IgnorePar\fi\EndP\HCode{<section role="doc-abstract" class="abstract">\Hnewline}}
{\ifvmode\IgnorePar\fi\EndP\HCode{</section>}\par}{}{}

\Css{.abstract{margin:1em;}}
>>>

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\section{Utilities}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

\<try env inline par\><<<
\ShowPar 
>>>

\endinput
