On 4/21/06, Andy Mabbett <andy at pigsonthewing.org.uk> wrote: > If any one of those were marked up, something like: >> <span class="ISBN">0 9507881-2-0<\span> >> or even: >> <isbn>0 9507881-2-0</isbn> >> then user agents could be written in such a way that the spaces and > hyphens were ignored. ISBN is a registered URN, so I'd rather see coding that supported that; e.g. urn:isbn:0950788120. Bruce