the blocks on disk. It may not be removed using
.BR chattr (1).
.PP
-The 'E' attribute is used by the experimental compression patches to
-indicate that a compressed file has a compression error. It may not be
+The 'E' attribute is used by the experimental encryption patches to
+indicate that the file has been encrypted. It may not be
set or reset using
.BR chattr (1),
although it can be displayed by