-.PP
-The component \*(lqMessageName\*(rq (case\-insensitive) will output the
-actual message name (file name) preceded by the folder name if one is
-specified or found in the environment. The format is identical to that
-produced by the
-.B \-header
-option to
+This option supports some simple globbing,
+so a '*' at the end of a component will match
+for all components which start which the string.
+When you want to match a component which ends with
+a '*', you can escape the '*' with a '\\'.
+.PP
+The component `MessageName' (case\-insensitive) will output the
+message file name as a one-line header, similar to