code: function(context, partials, section) {
        var tail = context[context.length - 1];
  
        if (!isArray(tail)) {
          section(context, partials, this);
          return;
        }
  
        for (var i = 0; i < tail.length; i++) {
          context.push(tail[i]);
          section(context, partials, this);
          context.pop();
        }
      }
docs: render a section