Rename Thumbnails to Image-Dired.
** Changes in Dired
-*** Bindings for Thumbnails added
+*** Bindings for Image-Dired added
Several new keybindings, all starting with the C-t prefix, have been
-added to Dired. They are all bound to commands in Thumbnails. As a
+added to Dired. They are all bound to commands in Image-Dired. As a
starting point, mark some image files in a dired buffer and do C-t d
to display thumbnails of them in a separate buffer.