To add a new shortcut, use the `shortcut`
[[ikiwiki/directive]]. In the url, "%s" is replaced with the
-text passed to the named shortcut, after [[!wikipedia url-encoding]]
+text passed to the named shortcut, after [[!wikipedia url_encoding]]
it, and '%S' is replaced with the raw, non-encoded text. The optional
`desc` parameter controls the description of the link.