-is the default and stores the EAs in native filesystem Extended Attributes\&.
-\fBad\fR
-uses ordinary files inside the \&.AppleDouble directories\&.
+(by setting an EA on the shared directory itself), fallback to
+\fBad\fR\&. Requires writeable volume for perfoming test\&.
+\fBoptions:ro\fR
+overwrites
+\fBauto\fR
+with
+\fBnone\fR\&. Use explicit
+\fBea:sys|ad\fR
+for read\-only volumes where appropiate\&.
+.RE
+.PP
+sys
+.RS 4
+Use filesystem Extended Attributes\&.
+.RE
+.PP
+ad
+.RS 4
+Use files in
+\fIAppleDouble\fR
+directories\&.
+.RE
+.PP
+none
+.RS 4
+No Extended Attributes support\&.
+.RE