Each arc can have a Uniform Resource Locator (URL)
associated with it.
This may be used to launch a web browser and connect
to hypertext pages or the World Wide Web.
This URL is specified by the arcurl attribute
for the arc, appended to the string in the configuration
parameter WEBROOT.
The web browser, which must be running, is named in the
configuration parameter WEBBROWSER
(§).
If the arcurl attribute is not empty, then to follow the URL for an arc:
The web browser is a separate process outside the direct control of rigiedit.