diff --git a/libisoburn/trunk/releng/releng_check_isocontent b/libisoburn/trunk/releng/releng_check_isocontent
index 0bde9a8c..379ca3b7 100755
--- a/libisoburn/trunk/releng/releng_check_isocontent
+++ b/libisoburn/trunk/releng/releng_check_isocontent
@@ -4,7 +4,7 @@ set -e
 
 printf "NOT COMPLETED YET\n"
 
-
+# Thomas:
 # xorriso provides built-in means for comparison: 
 #  -compare_r disk_path iso_rr_path
 # Possibly i will have to enhance it so that it is suitable for automatic
@@ -24,5 +24,8 @@ printf "NOT COMPLETED YET\n"
 # One may use command diff -r to compare directory trees of a mounted image
 # or extracted trees.
 
+# George:
+# xorriso -indev my.iso -find /   vs. find input_dir
+# bsdtar -xf my.iso               vs. input_dir
 
 exit 0