(...) OK, splendid. (...) The .castle.org isn't necessary as a group per-se (it -could- be left empty, as .cad.dev.org is left empty above .cad.dev.org.ldraw), but it's necessary to at least exist as an intermediate level, for consistency and for (...) (25 years ago, 3-Mar-00, to lugnet.admin.general)
(...) This also helps immensely with topical cross-linkages, for example the cross-ref link to (2 URLs) (25 years ago, 3-Mar-00, to lugnet.admin.general)