<% Layout.title %>
renders the layout title as editor

Sourcecode in Layout/macros.js:
1:   function title_macro(param) {
2:      if (param.as == "editor")
3:         Html.input(this.createInputParam("title", param));
4:      else {
5:         if (param.linkto) {
6:            Html.openLink({href: this.href(param.linkto == "main" ? "" : param.linkto)});
7:            res.write(this.title);
8:            Html.closeLink();
9:         } else
10:           res.write(this.title);
11:     }
12:     return;
13:  }