in src/DocumentationBuilder.hack [76:94]
protected function wrapHTMLBody(Documentable $what, string $body): string {
$def = $what['definition'];
$parent = $what['parent'];
if ($parent !== null) {
$name = $parent->getName().'::'.$def->getName();
} else {
$name = $def->getName();
}
return Str\format(
"<html>\n<head>\n<title>%s</title>\n<style>\n%s\n</style>\n</head>\n".
"<body>\n%s\n</body>\n</html>",
\htmlspecialchars($name),
\file_get_contents(__DIR__.'/syntax.css')
|> Str\trim($$)
|> \htmlspecialchars($$),
$body,
);
}