aghos: imp doc

internal/aghos/permission.go

@@ -39,6 +39,12 @@ func OpenFile(name string, flag int, perm fs.FileMode) (file *os.File, err error
 
 // Stat is an extension for [os.Stat] that properly handles Windows access
 // rights.
+//
+// Note that on Windows the "other" permission bits combines the access rights
+// of any trustee that is neither the owner nor the owning group for the file.
+//
+// TODO(e.burkov):  Inspect the behavior for the World (everyone) well-known
+// SID and, perhaps, use it.
 func Stat(name string) (fi fs.FileInfo, err error) {
 	return stat(name)
 }