On Thursday, September 11, 2003, at 05:44 PM, Ray Denenberg, Library
of Congress wrote:
> My suggestion is to add an attribute to <location> to indicate if it's
> physical or electronic source (values 'physical' and 'electronic' or
> suggest alternative values); in the latter case a URL would be assumed.
I note Ralph's question about why not explicitly code this as a URL,
and don't have firm option, but am guessing it's a question of
simplicity. What would be the implications of allowing URL? Are there
other electronic locations that might be relevant?