Pseudo blessing "none" to revoke any HFS+ blessing of a node

libisoburn/trunk/xorriso/xorriso.texi

@@ -2307,6 +2307,11 @@ No file object can bear more than one blessing.
 @*
 E.g.: -find /my/blessed/directory -exec set_hfs_bless p
 @*
+Further there is blessing "none" or "n" which revokes any blessing from
+the found files. This -find run will not stop when the first match is reached.
+@*
+E.g.: -find / -has_hfs_bless any -exec set_hfs_bless none
+@*
 @item get_hfs_bless
 prints the HFS+ blessing role and the iso_rr_path, if the file is blessed
 at all.