$-- Be very careful about whitespace in this document - line breaks are very meaningful$-- and it is very easy to break the layout with poorly considered line breaks

$if(subtitle)$$subtitle$$endif$

$-- there are affiliations, render that$if(by-affiliation/first)$\LaTeX$for(by-author)$$if(by-author.url)$$by-author.name.literal$$else$$by-author.name.literal$$endif$$if(by-author.affiliations/first)$ $if(by-author.affiliations/allbutlast)$ ($for(by-author.affiliations/allbutlast)$$if(it.url)$$it.name$$else$$it.name$$endif$, $endfor$$for(by-author.affiliations/last)$$if(it.url)$$it.name$$else$$it.name$$endif$$endfor$) $else$ ($for(by-author.affiliations/first)$$if(it.url)$$it.name$$else$$it.name$$endif$$endfor$) $endif$ $endif$ $endfor$$if(date)$$date$$endif$ $endif$ $-- If there are no affiliations, we can just output authors$if(by-affiliation)$\LaTeX$elseif(by-author)$\LaTeX$for(by-author)$\LaTeX$if(by-author.url)$| [$by-author.name.literal$]($by-author-url$)$else$\LaTeX$by-author.name.literal$\LaTeX$endif$$endfor$

$if(date)$$date$$endif$ $endif$

$if(abstract)$$abstract$$endif$