Add a FIXME entry to HRSC download script

datasets/MEX/HRSC/download_sample.sh

@@ -63,6 +63,9 @@ function do_wget() {
   for c in ${content[@]}; do
     data="${SERVER}/${PDSATH}/${c}"
     [ "$SRV" = 'NASA' ] && data=$(echo "$data" | tr '[:upper:]' '[:lower:]')
+    #FIXME: 'extras' directory in NASA are split in "h{0..6}xxx/" directories
+    #       when '$data' is 'extras/h${orbit}*.png' ->
+    #       'extras/h${orbit[0]}xxx/h${orbit}*.png'
     if [ ! -n "$DRY_RUN" ]; then
       # download
       wget -r -nH --cut-dirs=4 --directory-prefix=${SRV} ${data}