<html><head><meta name="color-scheme" content="light dark"></head><body><pre style="word-wrap: break-word; white-space: pre-wrap;">%%%==============================================================================
%% Copyright 2023-present by Alceu Frigeri
%%
%% This work may be distributed and/or modified under the conditions of
%%
%% * The [LaTeX Project Public License](http://www.latex-project.org/lppl.txt),
%%   version 1.3c (or later), and/or
%% * The [GNU Affero General Public License](https://www.gnu.org/licenses/agpl-3.0.html),
%%   version 3 (or later)
%%
%% This work has the LPPL maintenance status *maintained*.
%%
%% The Current Maintainer of this work is Alceu Frigeri
%%
%% This is version {1.6} {2025/03/08}
%%
%% The list of files that compose this work can be found in the README.md file at
%% https://ctan.org/pkg/codedescribe
%%
%%%==============================================================================
\NeedsTeXFormat{LaTeX2e}[2022/06/01]

\ProvidesExplPackage
    {codelisting}
    {2025/03/08}
    {1.6}
    {LaTeX Code Listing}

%%%%%%%
%%%
%%% Just an attempt of having my packages info in a regular way
%%% Idea being: { &lt;pck-name&gt; / pkg info } for each and all.
%%%
%%%%%%%
\keys_define:nn { codelisting / pkg info}
  {
     name        .code:n = {codelisting} ,
     prefix      .code:n = {codelist} ,
     date        .code:n = {2025/03/08} ,
     version     .code:n = {1.6} ,
     description .code:n = {\LaTeX~Code~Listing}
  }
\cs_if_exist:NF \PkgInfo 
  {
    \NewDocumentCommand \PkgInfo {mm} { \keys_set:nn {#1 / pkg info}{#2} } 
    \NewDocumentCommand \PkgDescription {m} 
      { \noindent Package~ \textbf{\PkgInfo{#1}{name}}~Version:~\PkgInfo{#1}{version}~ -~ \PkgInfo{#1}{date}\par \emph{\PkgInfo{#1}{description}}~\par } 
  }  
%%%%%%%
%%% End of cut-n-paste
%%%%%%%





\RequirePackage{listings,scontents}

\dim_new:N \l__codelist_demo_parindent_dim
\dim_new:N \l__codelist_org_parindent_dim

\dim_set:Nn\l__codelist_org_parindent_dim{\parindent}


\colorlet{c__codelist_lightcyan_color}{white!97!cyan}
\colorlet{c__codelist_lightgray_color}{white!97!black}
\definecolor{c__codelist_grayblack_color}{rgb}{0.8,0.8,0.8}

\colorlet{c__codelist_darkred_color}{red!45!black!100}
\colorlet{c__codelist_darkgreen_color}{green!45!black!100}
\colorlet{c__codelist_darkblue_color}{blue!40!black!100}
\colorlet{c__codelist_darkmagenta_color}{magenta!45!black!100}
\colorlet{c__codelist_darkyellow_color}{yellow!45!black!100}
\colorlet{c__codelist_darkteal_color}{teal!45!black!100}

\colorlet{c__codelist_redishblack_color}{red!60!black!100}
\colorlet{c__codelist_greenishblack_color}{green!65!black!100}
\colorlet{c__codelist_blueishblack_color}{blue!85!black!100}
\colorlet{c__codelist_magentaishblack_color}{magenta!65!black!100}
\colorlet{c__codelist_yellowishblack_color}{yellow!65!black!100}
\colorlet{c__codelist_tealishblack_color}{teal!65!black!100}

\colorlet{c__codelist_redblack_color}{red!90!black!100}
\colorlet{c__codelist_greenblack_color}{green!90!black!100}
\colorlet{c__codelist_blueblack_color}{blue!90!black!100}
\colorlet{c__codelist_magentablack_color}{magenta!90!black!100}
\colorlet{c__codelist_yellowblack_color}{yellow!80!black!100}
\colorlet{c__codelist_tealblack_color}{teal!90!black!100}

\colorlet{c__codelist_gray_color}{gray}

\tl_set:Nn \l__codelist_bckgnd_color_default_tl{c__codelist_lightgray_color}%
\tl_set:Nn \l__codelist_string_color_default_tl{c__codelist_darkteal_color}
\tl_set:Nn \l__codelist_comment_color_default_tl{c__codelist_darkgreen_color}

\tl_set:Nn \l__codelist_texcs_color_default_tl{c__codelist_darkblue_color}
\tl_set:Nn \l__codelist_keywd_color_default_tl{c__codelist_darkgreen_color}
\tl_set:Nn \l__codelist_emph_color_default_tl{c__codelist_darkred_color}

\tl_set:Nn \l__codelist_texcsB_color_default_tl{c__codelist_blueishblack_color}
\tl_set:Nn \l__codelist_keywdB_color_default_tl{c__codelist_greenishblack_color}
\tl_set:Nn \l__codelist_emphB_color_default_tl{c__codelist_redishblack_color}

\tl_set:Nn \l__codelist_texcsC_color_default_tl{c__codelist_blueblack_color}
\tl_set:Nn \l__codelist_keywdC_color_default_tl{c__codelist_greenblack_color}
\tl_set:Nn \l__codelist_emphC_color_default_tl{c__codelist_redblack_color}

\tl_set:Nn \l__codelist_rule_color_default_tl{c__codelist_gray_color}
\tl_set:Nn \l__codelist_number_color_default_tl{c__codelist_gray_color}

\keys_define:nn {CodeListingOptions} {
  settexcs      .usage:n   =  general,
  settexcs      .code:n    =  { \tl_set:Nn \l__codelist_texcs_tl {#1} },
  settexcs      .default:n =   ,
  
  texcs         .usage:n   =   general,
  texcs         .code:n    =  { \tl_put_right:Nn \l__codelist_texcs_tl { , #1} },
  texcs         .default:n =  ,

  texcsstyle    .usage:n   =   general,
  texcsstyle    .code:n    =  { \tl_set:Nn \l__codelist_texcsstyle_tl {#1} },
  texcsstyle    .default:n =  \bfseries\color{ \l__codelist_texcs_color_default_tl },


  settexcs2     .usage:n   =   general,
  settexcs2     .code:n    =  { \tl_set:Nn \l__codelist_texcsB_tl {#1} },
  settexcs2     .default:n =  ,

  texcs2        .usage:n   =   general,
  texcs2        .code:n    =  { \tl_put_right:Nn \l__codelist_texcsB_tl { , #1} },
  texcs2        .default:n =  ,

  texcs2style   .usage:n   =   general,
  texcs2style   .code:n    =  { \tl_set:Nn \l__codelist_texcsBstyle_tl {#1} },
  texcs2style   .default:n =  \bfseries\color{ \l__codelist_texcs_color_default_tl } ,


  settexcs3     .usage:n   =   general,
  settexcs3     .code:n    =  { \tl_set:Nn \l__codelist_texcsC_tl {#1} },
  settexcs3     .default:n =  ,

  texcs3        .usage:n   =   general,
  texcs3        .code:n    =  { \tl_put_right:Nn \l__codelist_texcsC_tl { , #1} },
  texcs3        .default:n =  ,

  texcs3style   .usage:n   =   general,
  texcs3style   .code:n    =  { \tl_set:Nn \l__codelist_texcsCstyle_tl {#1} },
  texcs3style   .default:n =  \bfseries\color{ \l__codelist_texcsC_color_default_tl } ,


  setkeywd      .usage:n   =   general,
  setkeywd      .code:n    =  { \tl_set:Nn \l__codelist_keywd_tl {#1} },
  setkeywd      .default:n =  ,

  keywd         .usage:n   =   general,
  keywd         .code:n    =  { \tl_put_right:Nn \l__codelist_keywd_tl { , #1} },
  keywd         .default:n =  ,

  keywdstyle    .usage:n   =   general,
  keywdstyle    .code:n    =  { \tl_set:Nn \l__codelist_keywdstyle_tl {#1} },
  keywdstyle    .default:n =  \bfseries\color{ \l__codelist_keywd_color_default_tl } ,

  setkeywd2     .usage:n   =   general,
  setkeywd2     .code:n    =  { \tl_set:Nn \l__codelist_keywdB_tl {#1} },
  setkeywd2     .default:n =  ,

  keywd2        .usage:n   =   general,
  keywd2        .code:n    =  { \tl_put_right:Nn \l__codelist_keywdB_tl { , #1} },
  keywd2        .default:n =  ,

  keywd2style   .usage:n   =   general,
  keywd2style   .code:n    =  { \tl_set:Nn \l__codelist_keywdBstyle_tl {#1} },
  keywd2style   .default:n =  \bfseries\color{ \l__codelist_keywdB_color_default_tl } ,

  setkeywd3     .usage:n   =   general,
  setkeywd3     .code:n    =  { \tl_set:Nn \l__codelist_keywdC_tl {#1} },
  setkeywd3     .default:n =  ,

  keywd3        .usage:n   =   general,
  keywd3        .code:n    =  { \tl_put_right:Nn \l__codelist_keywdC_tl { , #1} },
  keywd3        .default:n =  ,

  keywd3style   .usage:n   =   general,
  keywd3style   .code:n    =  { \tl_set:Nn \l__codelist_keywdCstyle_tl {#1} },
  keywd3style   .default:n =  \bfseries\color{ \l__codelist_keywdC_color_default_tl } ,

  setemph       .usage:n   =   general,
  setemph       .code:n    =  { \tl_set:Nn \l__codelist_emph_tl {#1} },
  setemph       .default:n =  ,

  emph          .usage:n   =   general,
  emph          .code:n    =  { \tl_put_right:Nn \l__codelist_emph_tl { , #1} },
  emph          .default:n =  ,

  emphstyle     .usage:n   =   general,
  emphstyle     .code:n    =  { \tl_set:Nn \l__codelist_emphstyle_tl {#1} },
  emphstyle     .default:n =  \bfseries\color{ \l__codelist_emph_color_default_tl } ,

  setemph2      .usage:n   =   general,
  setemph2      .code:n    =  { \tl_set:Nn \l__codelist_emphB_tl {#1} },
  setemph2      .default:n =  ,

  emph2         .usage:n   =   general,
  emph2         .code:n    =  { \tl_put_right:Nn \l__codelist_emphB_tl { , #1} },
  emph2         .default:n =  ,

  emph2style    .usage:n   =   general,
  emph2style    .code:n    =  { \tl_set:Nn \l__codelist_emphBstyle_tl {#1} },
  emph2style    .default:n =  \bfseries\color{ \l__codelist_emphB_color_default_tl } ,

  setemph3      .usage:n   =   general,
  setemph3      .code:n    =  { \tl_set:Nn \l__codelist_emphC_tl {#1} },
  setemph3      .default:n =  ,

  emph3         .usage:n   =   general,
  emph3         .code:n    =  { \tl_put_right:Nn \l__codelist_emphC_tl { , #1} },
  emph3         .default:n =  ,

  emph3style    .usage:n   =   general,
  emph3style    .code:n    =  { \tl_set:Nn \l__codelist_emphCstyle_tl {#1} },
  emph3style    .default:n =  \bfseries\color{ \l__codelist_emphC_color_default_tl } ,

  stringstyle   .usage:n   =   general,
  stringstyle   .code:n    =  { \tl_set:Nn \l__codelist_stringstyle_tl {#1} },
  stringstyle   .default:n =  \color{ \l__codelist_string_color_default_tl } ,

  commentstyle  .usage:n   =   general,
  commentstyle  .code:n    =  { \tl_set:Nn \l__codelist_commentstyle_tl {#1} },
  commentstyle  .default:n =  \color{ \l__codelist_comment_color_default_tl } ,

  bckgndcolor   .usage:n   =   general,
  bckgndcolor   .code:n    =  { \tl_set:Nn \l__codelist_bckgndcolor_tl {#1} },
  bckgndcolor   .default:n =  \color{ \l__codelist_bckgnd_color_default_tl } ,

  rulecolor     .usage:n   =   general,
  rulecolor     .code:n    =  { \tl_set:Nn \l__codelist_rulecolor_tl {#1} },
  rulecolor     .default:n =  \color{ \l__codelist_rule_color_default_tl } ,

  numbers       .usage:n   =   general,
  numbers       .code:n    =  { \tl_set:Nn \l__codelist_numbers_tl {#1} },
  numbers       .default:n =  none,

  numberstyle   .usage:n   =   general,
  numberstyle   .code:n    =  { \tl_set:Nn \l__codelist_numberstyle_tl {#1} },
  numberstyle   .default:n =  \tiny\color{ \l__codelist_number_color_default_tl },


  parindent     .usage:n   =   general,
  parindent     .code:n    =  { \dim_set:Nn\l__codelist_demo_parindent_dim{#1} },
  parindent     .default:n =  \l__codelist_org_parindent_dim,


	codeprefix    .usage:n   =   general,
	codeprefix    .code:n    =  { \tl_set:Nn \l__codelist_codeprefix_tl {#1} },
  codeprefix    .default:n =  \LaTeX\  Code:,

	resultprefix  .usage:n   =   general,
	resultprefix  .code:n    =  { \tl_set:Nn \l__codelist_resultprefix_tl {#1} },
  resultprefix  .default:n =  \LaTeX\  Result:,

  ruleht        .usage:n   =   general,
  ruleht        .code:n    =  { \tl_set:Nn \l__codelist_ruleheight_tl {#1} },
  ruleht        .default:n =  1,
  
  basicstyle    .usage:n   =   general,
  basicstyle    .code:n    =  { \tl_set:Nn \l__codelist_basicstyle_tl {#1} },
  basicstyle    .default:n =  \footnotesize\ttfamily ,
  
  \l__codelist_basicstyle_tl

  default       .usage:n   =   general,
  default       .meta:n    = {
      settexcs     , texcsstyle  , 
      settexcs2    , texcs2style , 
      settexcs3    , texcs3style ,
		  setkeywd     , keywdstyle  , 
      setkeywd2    , keywd2style , 
      setkeywd3    , keywd3style ,
		  setemph      , emphstyle   , 
      setemph2     , emph2style  , 
      setemph3     , emph3style  ,
		  stringstyle  , 
      commentstyle , 
      bckgndcolor  , rulecolor   ,
		  numbers      , numberstyle ,
      parindent    ,
      codeprefix   , resultprefix ,
      ruleht   , 
      basicstyle ,
  },

}

%%%%%%
%%% This one can't be proteced
%%%%%%
\cs_new:Npn \__codelist_set_options:n #1 {\keys_set:nn {CodeListingOptions}{#1}}

\__codelist_set_options:n{default}


%%%%%%%%%%%%%%%%%%%%%
%%%%%%%%%%%%%%%%%%%%%
%%%
%%%  From doctools.dtx file
%%% lstlistings 'definitions'
%%%
%%%%%%%%%%%%%%%%%%%%%
%%%%%%%%%%%%%%%%%%%%%

%%% listings
%
\lstdefinestyle{lstStyleDefault}{
                              %%% appearance
   ,basicstyle=\small\ttfamily % Standardschrift
                              %%%  Space and placement
   ,floatplacement=tbp        % is used as float place specifier
   ,aboveskip=\medskipamount  % define the space above and
   ,belowskip=\medskipamount  % below displayed listings.
   ,lineskip=0pt              % specifies additional space between lines in listings.
   ,boxpos=c                  % c,b,t
   ,showlines=false           % prints empty lines at the end of listings
                              %%% characters
   ,extendedchars=true        % allows or prohibits extended characters
                              % in listings, that means (national)
                              % characters of codes 128-255.
   ,upquote=true              % determines printing of quotes
   ,tabsize=2,                % chars of tab
   ,showtabs=false            % do not show tabs
   ,showspaces=false          % do not show spaces
   ,showstringspaces=false    % do not show blank spaces in string
                              %%% Line numbers
   ,numbers=none              % left, right, none
                              %%% Captions
   ,numberbychapter=true      %
   ,captionpos=b              % t,b
   ,abovecaptionskip=\smallskipamount % the vertical space respectively above
   ,belowcaptionskip=\smallskipamount % or below each caption
                              %%% Margins and line shape
   ,linewidth=\linewidth      % defines the base line width for listings.
   ,xleftmargin=0pt           % extra margins
   ,xrightmargin=0pt          %
   ,resetmargins=false        % indention from list environments like enumerate
                              % or itemize is reset, i.e. not used.
   ,breaklines=true           % line breaking of long lines.
   ,breakatwhitespace=false   % allows line breaks only at white space.
   ,breakindent=0pt           % is the indention of the second, third, ...
                              % line of broken lines.
   ,breakautoindent=true      % apply intendation
   ,columns=flexible          %
   ,keepspaces=true           %
}


\lstdefinestyle{lstDocStyleBase}{
                              %%% base style
   ,style=lstStyleDefault

   ,commentstyle=\slshape
                              %%% Line numbers
   ,numbers=left              % left, right, none
   ,stepnumber=1              % seperation between numbers
   ,numberfirstline=false     % number first line always
                              %
   ,numberstyle={\l__codelist_numberstyle_tl}    % style of numbers
   ,numbersep=5pt             % distance to text
   ,numberblanklines=true     %
                              %%% language
   ,language = [LaTeX]TeX
                              %%% commands
                              % LaTeX programming
   ,moretexcs={setlength,usepackage,newcommand,renewcommand,providecommand,RequirePackage,SelectInputMappings,ifpdftex,ifpdfoutput,AtBeginEnvironment,ProvidesPackage},
   ,moretexcs={maketitle,text,includegraphics,chapter,section,subsection,
     subsubsection,paragraph,textmu,enquote,blockquote,ding,mathds,ifcsdef,Bra,Ket,Braket,subcaption,lettrine,mdfsetup,captionof,listoffigures,listoftables,tableofcontents,appendix}
   ,moretexcs={newcolumntype,rowfont,taburowcolors,rowcolor,rowcolors,bottomrule,
     toprule,midrule,}
   ,moretexcs={hypersetup}
   ,moretexcs={gls,printglossary,glsadd,newglossaryentry,newacronym}
   ,moretexcs={mainmatter,frontmatter,geometry,KOMAoptions,setkomafont,addtokomafont}
   ,moretexcs={si,SI,sisetup,unit,unitfrac,micro}
   ,moretexcs={newblock,ExecuteBibliographyOptions,addbibresource}
   ,moretexcs={operatorname,frac,sfrac,dfrac,DeclareMathOperator,mathcal,underset}
   ,moretexcs={democodefile,package,cs,command,env,DemoError,PrintDemo}
   ,moretexcs={theadstart,tbody,tsubheadstart,tsubhead,tend}
   ,moretexcs={DefineCodeSection,SetCodeSection,BeginCodeSection,EndCodeSection}
   ,moretexcs={IfDefined,IfUndefined,IfElseDefined,IfElseUndefined,IfMultDefined,IfNotDraft,IfNotDraftElse,IfDraft,IfPackageLoaded,IfElsePackageLoaded,IfPackageNotLoaded,IfPackagesLoaded,IfPackagesNotLoaded,ExecuteAfterPackage,ExecuteBeforePackage,IfTikzLibraryLoaded,IfColumntypeDefined,IfColumntypesDefined,IfColorDefined,IfColorsDefined,IfMathVersionDefined,SetTemplateDefinition,UseDefinition,IfFileExists,iflanguage}
   ,moretexcs={setuptablefontsize,tablefontsize,setuptablestyle,tablestyle,  setuptablecolor,tablecolor,disablealternatecolors,   tablealtcolored,tbegin,tbody,tend,thead, theadstart,tsubheadstart,tsubhead,theadrow,tsubheadrow,resettablestyle,theadend,tsubheadend,tableitemize,PreserveBackslash}
   ,moretexcs={todo,missingfigure}
   ,moretexcs={lstloadlanguages,lstdefinestyle,lstset}
   ,moretexcs={indexsetup}
   ,moretexcs={newglossarystyle,glossarystyle,deftranslation,newglossary}
   ,moretexcs={usetikzlibrary}
   ,moretexcs={definecolor,colorlet}
   ,moretexcs={captionsetup,DeclareCaptionStyle}
   ,moretexcs={floatsetup}
   ,moretexcs={EnableCrossrefs,DisableCrossrefs,PageIndex,CodelineIndex,CodelineNumbered}
   ,moretexcs={cref,Cref,vref,eqnref,figref,tabref,secref,chapref}
}

%%%%%%%%%%%%%%%%%%%%%
%%%%%%%%%%%%%%%%%%%%%
%%%
%%%  From doctools.dtx file
%%% lstlistings 'definitions'
%%%
%%%%%%%%%%%%%%%%%%%%%
%%%%%%%%%%%%%%%%%%%%%

\lstloadlanguages{[LaTeX]TeX}
\lstdefinestyle{codestyle}{
  style        =  lstDocStyleBase,
  language     =  [LaTeX]{TeX},
  numbers      =   none, %\l__codelist_numbers_tl,
  rulecolor    =      {\l__codelist_rulecolor_tl},
	backgroundcolor  =  {\l__codelist_bckgndcolor_tl},
  stringstyle  =      {\l__codelist_stringstyle_tl},
  commentstyle =      {\l__codelist_commentstyle_tl},
  framerule    =   0pt,                        %0.4pt,
	nolol        =   true,
	frame        =   none,
	aboveskip    =   0pt,%-2ex,
  belowskip    =   0pt,%-2ex,
	basicstyle   =   {\l__codelist_basicstyle_tl}, %%\footnotesize\ttfamily ,  
	rulesep      =   0pt,
	breaklines   =   true,
	breakindent  =   3em,
	moretexcs    =      {\l__codelist_texcs_tl},
  moretexcs    =  [2] {\l__codelist_texcsB_tl},
  moretexcs    =  [3] {\l__codelist_texcsC_tl},
  texcsstyle   = *    {\l__codelist_texcsstyle_tl},
	texcsstyle   = *[2] {\l__codelist_texcsBstyle_tl},
	texcsstyle   = *[3] {\l__codelist_texcsCstyle_tl},
	morekeywords =      {\l__codelist_keywd_tl},
	morekeywords =  [2] {\l__codelist_keywdB_tl},
	morekeywords =  [3] {\l__codelist_keywdC_tl},
  keywordstyle =      {\l__codelist_keywdstyle_tl},
	keywordstyle =  [2] {\l__codelist_keywdBstyle_tl},
	keywordstyle =  [3] {\l__codelist_keywdCstyle_tl},
	emph         =      {\l__codelist_emph_tl},
	emph         =  [2] {\l__codelist_emphB_tl},
	emph         =  [3] {\l__codelist_emphC_tl},
  emphstyle    =      {\l__codelist_emphstyle_tl},
  emphstyle    =  [2] {\l__codelist_emphBstyle_tl},
  emphstyle    =  [3] {\l__codelist_emphCstyle_tl},
}
\lstset{style=codestyle}

\cs_generate_variant:Nn \keys_set:nn {nx}
%%%
%%% extending scontents package options !!!!
%%% changing it's default key handling from \msg_error to 'store-env'.
%%%
\keys_define:nn { scontents / scontents}
  {
  	st.meta:nn          = { scontents } { store-env = #1 },
    st.value_required:n = true,
  	store-at.meta:nn          = { scontents } { store-env = #1 },
    store-at.value_required:n = true,
    unknown . undefine: ,
    unknown . code:n = { \keys_set:nx {scontents}{ store-env = \l_keys_key_str} }
 }

\newenvsc{codestore}



%%%%%%%%%
%%%
%%% yep, the &lt;verbatimsc&gt; environment gets redefined 
%%% each and every time (to change the 'listings' defaults/highlights !
%%%
%%%
%%%%%%%%%

\cs_undefine:c{verbatimsc}
\cs_undefine:c{verbatimsc@@}
\cs_undefine:c{verbatimsc@}
\cs_undefine:c{endverbatimsc}
\lstnewenvironment{verbatimsc}{\lstset{style=codestyle}}{}

%%%%%%
%%% This one can't be proteced
%%%%%%
\cs_new:Npn \__codelist_set_verbsc:n #1
  {
      \cs_undefine:c{verbatimsc}
      \cs_undefine:c{verbatimsc@@}
      \cs_undefine:c{verbatimsc@}
      \cs_undefine:c{endverbatimsc}
      
  		\__codelist_set_options:n{#1}

      \lstnewenvironment{verbatimsc}
        {
          \exp_args:Ne \lstset
            {
              style=codestyle,
              moretexcs     =     {\l__codelist_texcs_tl},
              moretexcs     =[2]  {\l__codelist_texcsB_tl},
              moretexcs     =[3]  {\l__codelist_texcsC_tl},
        		  morekeywords  =     {\l__codelist_keywd_tl},
              morekeywords  =[2]  {\l__codelist_keywdB_tl},
              morekeywords  =[3]  {\l__codelist_keywdC_tl},
        		  emph          =     {\l__codelist_emph_tl}, 
              emph          =[2]  {\l__codelist_emphB_tl}, 
              emph          =[3]  {\l__codelist_emphC_tl},
        	    numbers       =     \l__codelist_numbers_tl
            }
        }
        {}
  }

%%% !!! DEPRECTAED !!!
\NewDocumentEnvironment {verbsc} {m}
  {
      \cs_undefine:c{verbatimsc}
      \cs_undefine:c{verbatimsc@@}
      \cs_undefine:c{verbatimsc@}
      \cs_undefine:c{endverbatimsc}
      
  		\__codelist_set_options:n{#1}

      \lstnewenvironment{verbatimsc}
        {
          \exp_args:Ne \lstset
            {
              style=codestyle,
              moretexcs     =     {\l__codelist_texcs_tl},
              moretexcs     =[2]  {\l__codelist_texcsB_tl},
              moretexcs     =[3]  {\l__codelist_texcsC_tl},
        		  morekeywords  =     {\l__codelist_keywd_tl},
              morekeywords  =[2]  {\l__codelist_keywdB_tl},
              morekeywords  =[3]  {\l__codelist_keywdC_tl},
        		  emph          =     {\l__codelist_emph_tl}, 
              emph          =[2]  {\l__codelist_emphB_tl}, 
              emph          =[3]  {\l__codelist_emphC_tl},
        	    numbers       =     \l__codelist_numbers_tl
            }
        }
        {}
  }
  {  } %environment's end


\NewDocumentCommand \setcodekeys {m}
  {
    \keys_set:nn {CodeListingOptions}{#1}
  }

\NewDocumentCommand{\typesetcode}{sO{}m}
  {
  \__codedesc_set_textcolwidth:
    \group_begin:
      \par\noindent
      \bool_if:nTF {#1}
      { % paragraph wide
        \dim_set:Nn \l__codedesc_width_dim {\l__codedesc_textcolwidth_dim}
        \dim_set:Nn \l__codedesc_offset_dim {0pt}
      }
      { % half as wide
        \dim_set:Nn \l__codedesc_width_dim {0.5\l__codedesc_textcolwidth_dim}
        \dim_set:Nn \l__codedesc_offset_dim {0.5\l__codedesc_width_dim}
      }
  
      \__codelist_set_verbsc:n {#2}
      \vcoffin_set:Nnn \__codelist_display_label_coffin {\l__codedesc_width_dim}
        {
          \raggedright
          \l__codelist_codeprefix_tl
        }
      \vcoffin_set:Nnn \__codelist_display_coffin {\l__codedesc_width_dim}
        {
          \raggedright
          \typestored{#3}
        }
        \coffin_join:NnnNnnnn
          \__codelist_display_label_coffin {l}{b}
          \__codelist_display_coffin {l}{t}
          {0pt}{-1ex}
        \vspace*{-1ex}
        \coffin_typeset:Nnnnn \__codelist_display_label_coffin {l}{t}{\l__codedesc_offset_dim}{0pt}
        \vspace*{2ex}
        \par
    \group_end: 
  }

\cs_new_eq:NN \tscode \typesetcode



\coffin_new:N \__codelist_display_coffin
\coffin_new:N \__codelist_display_label_coffin
\coffin_new:N \__codelist_demo_coffin
\coffin_new:N \__codelist_demo_label_coffin

\dim_new:N \l__codedesc_width_dim
\dim_new:N \l__codedesc_offset_dim

\NewDocumentCommand{\typesetdemo}{sO{}mO{1ex}}
  {
    \__codedesc_set_textcolwidth:
    \group_begin:
      \par\setlength\parindent{0pt}
      \bool_if:nTF {#1}
        { % one below the other
          \dim_set:Nn \l__codedesc_width_dim {\l__codedesc_textcolwidth_dim}
          \tl_set:Nn \l__codedesc_rule_in_tl {\__codedesc_rule:n {\l__codelist_ruleheight_tl}}
          \tl_set:Nn \l__codedesc_rule_out_tl {}
        }
        { % side-by-side
          \dim_set:Nn \l__codedesc_width_dim {0.5\l__codedesc_textcolwidth_dim}
          \tl_set:Nn \l__codedesc_rule_in_tl {}
          \tl_set:Nn \l__codedesc_rule_out_tl {\__codedesc_rule:n {\l__codelist_ruleheight_tl}}
        }
        
      \__codelist_set_verbsc:n {#2}
      \vcoffin_set:Nnn \__codelist_display_label_coffin {\l__codedesc_width_dim}
        {
          \raggedright
          \l__codelist_codeprefix_tl
        }
      \vcoffin_set:Nnn \__codelist_display_coffin {\l__codedesc_width_dim}
        {
          \raggedright\vspace*{0.1ex}
          \typestored{#3}
        }

      \vcoffin_set:Nnn \__codelist_demo_label_coffin {\l__codedesc_width_dim}
        {
          \raggedright
          \l__codelist_resultprefix_tl
        }
      \vcoffin_set:Nnn \__codelist_demo_coffin {\l__codedesc_width_dim}
        { 
          \l__codedesc_rule_in_tl
          \group_begin:\vspace*{0.5\baselineskip}%\vspace*{-1ex}
          \setlength\parindent{\l__codelist_demo_parindent_dim}
          \getstored{#3}%\vspace*{-1ex}
          \group_end:
          \l__codedesc_rule_in_tl
        }

      \bool_if:nTF {#1}
        { % one below the other
          \coffin_join:NnnNnnnn
            \__codelist_display_label_coffin {l}{b}
            \__codelist_display_coffin {l}{t}
            {0pt}{-1ex}
          \vspace*{-1ex}
          \coffin_typeset:Nnnnn \__codelist_display_label_coffin {l}{t}{0pt}{0pt}\vspace*{1ex}
          \par
          \coffin_join:NnnNnnnn
            \__codelist_demo_label_coffin {l}{b}
            \__codelist_demo_coffin {l}{t}
            {0pt}{-1ex}
          \coffin_typeset:Nnnnn \__codelist_demo_label_coffin {l}{t}{0pt}{0pt}
          \vspace*{\baselineskip}
          %\vspace*{1ex}
        }
        { % side-by-side
          \coffin_join:NnnNnnnn
            \__codelist_display_label_coffin {r}{b}
            \__codelist_demo_label_coffin {l}{b}
            {0pt}{0pt}    
          \coffin_join:NnnNnnnn
            \__codelist_display_coffin {r}{vc}
            \__codelist_demo_coffin {l}{vc}
            {0pt}{0pt}    
        
          \coffin_typeset:Nnnnn \__codelist_display_label_coffin {l}{t}{0pt}{0pt}\vspace*{1ex}\par
          \l__codedesc_rule_out_tl
          \coffin_typeset:Nnnnn \__codelist_display_coffin {l}{t}{0pt}{0pt}
          \vspace*{0.25ex}
          \l__codedesc_rule_out_tl
          \vspace*{\baselineskip}
        }
      \par
    \group_end:
  }


\cs_new_eq:NN \tsdemo \typesetdemo



\NewDocumentCommand{\typesetresult}{sO{}mO{1ex}}
  {
    \__codedesc_set_textcolwidth:
    \group_begin:
      \par\setlength\parindent{0pt}
      \__codelist_set_verbsc:n {#2}
      \bool_if:nTF {#1}
        { % full width
          \dim_set:Nn \l__codedesc_width_dim {\l__codedesc_textcolwidth_dim}
          \tl_set:Nn \l__codedesc_rule_in_tl {\__codedesc_rule:n {\l__codelist_ruleheight_tl}}
          \dim_set:Nn \l__codedesc_offset_dim {0pt}
        }
        { % half width
          \dim_set:Nn \l__codedesc_width_dim {0.5\l__codedesc_textcolwidth_dim}
          \tl_set:Nn \l__codedesc_rule_in_tl {\__codedesc_rule:n {\l__codelist_ruleheight_tl}}
          \dim_set:Nn \l__codedesc_offset_dim {0.5\l__codedesc_width_dim}
        }
        
      \vcoffin_set:Nnn \__codelist_demo_label_coffin {\l__codedesc_width_dim}
        {
          \raggedright
          \l__codelist_resultprefix_tl
        }
      \vcoffin_set:Nnn \__codelist_demo_coffin {\l__codedesc_width_dim}
        { 
          \l__codedesc_rule_in_tl
          \group_begin:\vspace*{0.5\baselineskip}%\vspace*{-1ex}
          \setlength\parindent{\l__codelist_demo_parindent_dim}
          \getstored{#3}%\vspace*{-1ex}
          \group_end:
          \l__codedesc_rule_in_tl
        }

      \coffin_join:NnnNnnnn
        \__codelist_demo_label_coffin {l}{b}
        \__codelist_demo_coffin {l}{t}
        {0pt}{-1ex}
      \coffin_typeset:Nnnnn \__codelist_demo_label_coffin {l}{t}{\l__codedesc_offset_dim}{0pt}
      \vspace*{\baselineskip}
      \par
    \group_end:
  }

\cs_new_eq:NN \tsresult \typesetresult

%%%
%%% Using scontents package !!!!
%%%


%%%
%%% from https://en.wikibooks.org/wiki/LaTeX/Source_Code_Listings#Encoding_issue
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  {Ã}{{\'A}}1 {Ã‰}{{\'E}}1 {Ã}{{\'I}}1 {Ã“}{{\'O}}1 {Ãš}{{\'U}}1
  {Ã&nbsp;}{{\`a}}1 {Ã¨}{{\`e}}1 {Ã¬}{{\`i}}1 {Ã²}{{\`o}}1 {Ã¹}{{\`u}}1
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	{Ã£}{{\~{a}}}1 {Ãµ}{{\~{o}}}1
	{Ãƒ}{{\~{A}}}1 {Ã•}{{\~{O}}}1
  {Ã½}{{\'{y}}}1 {Ã}{{\'{Y}}}1  {Ã¿}{{\"{y}}}1 {Å¸}{{\"{Y}}}1
  {Å“}{{\oe}}1 {Å’}{{\OE}}1 {Ã¦}{{\ae}}1 {Ã†}{{\AE}}1 {ÃŸ}{{\ss}}1
  {Ã§}{{\c c}}1 {Ã‡}{{\c C}}1 {Ã¸}{{\o}}1 {Ã¥}{{\r a}}1 {Ã…}{{\r A}}1
  {â‚¬}{{\EUR}}1 {Â£}{{\pounds}}1
}

  
  
  
\endinput
</pre></body></html>