For instance URLs like
to define a database, and
to define a search.
This probably involves moving code from the www-to-wais gateway into
the client library, or having "smart" clients go off and use
"full featured" wais clients when they are presented with serviers.
The next step of this is to take the wais directory of servers and
add value to it by writing a .src->.html converter that makes things
look really nice.