--- a/bin/imager.check	Sun Jul 31 23:22:07 2011 +0200
+++ b/bin/imager.check	Sun Jul 31 23:22:59 2011 +0200
@@ -133,11 +133,11 @@
             # we don't need uncompressed files if an compressed version
             # exists
             unlink $_ and return if -f "$_.gz";
-	    unlink "$_.x" and return if -f "$_.x.gz";
+            unlink "$_.x" and return if -f "$_.x.gz";
 
-	    # the next step we can't do, because it can happen that
-	    # the restorer does not know about a password
-	    #unlink "$_.gz.x" and return if -f "$_.gz";
+            # the next step we can't do, because it can happen that
+            # the restorer does not know about a password
+            #unlink "$_.gz.x" and return if -f "$_.gz";
 
             # cut away the first part of the filename and
             # some optional extension
@@ -207,9 +207,9 @@
         next
           if -f "$dir/data/$k"
               or -f "$dir/data/$k.gz"
-	      or -f "$dir/data/$k.x"
-	      or -f "$dir/data/$k.x.gz"
-	      or -f "$dir/data/$k.gz.x";
+              or -f "$dir/data/$k.x"
+              or -f "$dir/data/$k.x.gz"
+              or -f "$dir/data/$k.gz.x";
         say "missing $k @$i";
         @invalid{@$i} = ();
     }