Note that there is often just a single blank Base URL.
|Delete||Delete the highlighted Base URL.
Note that you can only delete a Base URL if no URLs are using it. Try exitting Hi Lab and re-entering to re-check whether a Base URL is used.
|Add||Add a new blank Base URL.|
|Base URL||Specify the Base URL.
Note that this is often just blank. This makes the index relative to wherever it is sited.
Or enter a full URL, eg
|Target frame||If needed, give the default Target frame for all pages that use this Base URL.|
|See also:||Visual editing,
General Property Page