"Open externally" warrants a shortcut
Submitted by Massimo B.
I often need meld to diff folder trees of snapshotted subvolumes trees with the current subvolume, there I deal with many different types like JPG, PDF or other media files. Most often I need "Open externally", currently only available from context menu or double click.
Please add a shortcut editor to use most of the already existing functions via shortcut.
OT: Some day I would like to have some preview at least for pictures, not sure if that is beyond the scope of meld.