std::string Stencil::page(void) const {
// Get base document
Html::Document doc = Component_page_doc<Stencil>(*this);
Html::Node head = doc.find("head");
Html::Node body = doc.find("body");
// Extra metadata
head.append("meta",{
{"itemprop","contexts"},
{"content",join(contexts(),",")}
});
// Add stencil content to the main element and give #content id
auto main = body.select("main");
main.attr("id","content");
main.append(*this);
return doc.dump(false);
}