$if(context-lang)$

\mainlanguage[$context-lang$]

$endif$

$if(context-dir)$

\setupalign[$context-dir$]

\setupdirections[bidi=on,method=two]

$endif$

% Enable hyperlinks

\setupinteraction

  [state=start,

$if(title)$

  title={$title$},

$endif$

$if(subtitle)$

  subtitle={$subtitle$},

$endif$

$if(author)$

  author={$for(author)$$author$$sep$; $endfor$},

$endif$

$if(keywords)$

  keyword={$for(keywords)$$keywords$$sep$; $endfor$},

$endif$

  style=$linkstyle$,

  color=$linkcolor$,

  contrastcolor=$linkcontrastcolor$]

% make chapter, section bookmarks visible when opening document

\placebookmarks[chapter, section, subsection, subsubsection, subsubsubsection, subsubsubsubsection][chapter, section]

\setupinteractionscreen[option=bookmark]

\setuptagging[state=start]

$if(papersize)$

\setuppapersize[$for(papersize)$$papersize$$sep$,$endfor$]

$endif$

$if(layout)$

\setuplayout[$for(layout)$$layout$$sep$,$endfor$]

$endif$

$if(pagenumbering)$

\setuppagenumbering[$for(pagenumbering)$$pagenumbering$$sep$,$endfor$]

$endif$

% use microtypography

\definefontfeature[default][default][script=latn, protrusion=quality, expansion=quality, itlc=yes, textitalics=yes, onum=yes, pnum=yes]

\definefontfeature[smallcaps][script=latn, protrusion=quality, expansion=quality, smcp=yes, onum=yes, pnum=yes]

\setupalign[hz,hanging]

\setupitaliccorrection[global, always]

\setupbodyfontenvironment[default][em=italic] % use italic as em, not slanted

\definefallbackfamily[mainface][rm][DejaVu Serif][preset=range:greek, force=yes]

\definefontfamily[mainface][rm][$if(mainfont)$$mainfont$$else$Latin Modern Roman$endif$]

\definefontfamily[mainface][mm][$if(mathfont)$$mathfont$$else$Latin Modern Math$endif$]

\definefontfamily[mainface][ss][$if(sansfont)$$sansfont$$else$Latin Modern Sans$endif$]

\definefontfamily[mainface][tt][$if(monofont)$$monofont$$else$Latin Modern Typewriter$endif$][features=none]

\setupbodyfont[mainface$if(fontsize)$,$fontsize$$endif$]

\setupwhitespace[$if(whitespace)$$whitespace$$else$medium$endif$]

$if(indenting)$

\setupindenting[$for(indenting)$$indenting$$sep$,$endfor$]

$endif$

$if(interlinespace)$

\setupinterlinespace[$for(interlinespace)$$interlinespace$$sep$,$endfor$]

$endif$

\setuphead[chapter]            [style=\tfd,header=empty]

\setuphead[section]            [style=\tfc]

\setuphead[subsection]         [style=\tfb]

\setuphead[subsubsection]      [style=\bf]

\setuphead[subsubsubsection]   [style=\sc]

\setuphead[subsubsubsubsection][style=\it]

$if(headertext)$

\setupheadertexts$for(headertext)$[$headertext$]$endfor$

$endif$

$if(footertext)$

\setupfootertexts$for(footertext)$[$footertext$]$endfor$

$endif$

$if(number-sections)$

$else$

\setuphead[chapter, section, subsection, subsubsection, subsubsubsection, subsubsubsubsection][number=no]

$endif$

\definedescription

  [description]

  [headstyle=bold, style=normal, location=hanging, width=broad, margin=1cm, alternative=hanging]

\setupitemize[autointro]    % prevent orphan list intro

\setupitemize[indentnext=no]

\setupfloat[figure][default={here,nonumber}]

\setupfloat[table][default={here,nonumber}]

\setupthinrules[width=15em] % width of horizontal rules

$for(header-includes)$

$header-includes$

$endfor$

\starttext

$if(title)$

\startalignment[middle]

  {\tfd $title$}

$if(subtitle)$

  \smallskip

  {\tfa $subtitle$}

$endif$

$if(author)$

  \smallskip

  {\tfa $for(author)$$author$$sep$\crlf $endfor$}

$endif$

$if(date)$

  \smallskip

  {\tfa $date$}

$endif$

  \bigskip

\stopalignment

$endif$

$if(abstract)$

\midaligned{\it Abstract}

\startnarrower[2*middle]

$abstract$

\stopnarrower

\blank[big]

$endif$

$for(include-before)$

$include-before$

$endfor$

$if(toc)$

\completecontent

$endif$

$if(lot)$

\completelistoftables

$endif$

$if(lof)$

\completelistoffigures

$endif$

$body$

$for(include-after)$

$include-after$

$endfor$

\stoptext