-text passed to the named shortcut, after url-encoding it, and '%S' is
-replaced with the raw, non-encoded text. The optional `desc` parameter
-controls the description of the link.
+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.