Template:Ping/doc

Usage
Given one or more unnamed parameters, this template pings the named users;

would produce

For purely historical reasons, if this template is called without unnamed parameters, it produces a link (believed to have been useless for many years now) related to a long-ago use of Technorati. (It was easier to keep the legacy behavior in the template than to eliminate all its uses from old pages.)

Internals
When presented with at least one unnamed parameter, this template handles the first one itself, with the prefixed  and suffixed , and uses Module:TScope to pass the rest of the unnamed parameters to subtemplate ping/rest.