$metadata.html()$ $for(header-includes)$ $header-includes$ $endfor$ $if(math)$ $if(mathjax)$ $endif$ $math$ $endif$ $for(css)$ $endfor$ $title-block.html()$ $for(include-before)$ $include-before$ $endfor$ $body$ $for(include-after)$ $include-after$ $endfor$