Michlmayr <tbm@cyrius.com>.
<item>! -- refers to your <ref id="spoolfile" name="$spool"> (incoming) mailbox
<item>> -- refers to your <ref id="mbox" name="$mbox"> file
<item>< -- refers to your <ref id="record" name="$record"> file
-<item>- -- refers to the file you've last visited
+<item>- or !! -- refers to the file you've last visited
<item>˜ -- refers to your home directory
<item>= or + -- refers to your <ref id="folder" name="$folder"> directory
<item>@<em/alias/ -- refers to the <ref id="save-hook"