* Get storage formatting string.
*
* 1) If we have storeproc defined, then use that
- * 2) Else check for a mhn-store-<type>/<subtype> entry
- * 3) Else check for a mhn-store-<type> entry
+ * 2) Else check for a mhstore-store-<type>/<subtype> entry
+ * 3) Else check for a mhstore-store-<type> entry
* 4) Else if content is "message", use "+" (current folder)
* 5) Else use string "%m%P.%s".
*/