Demo errors on Firefox console

The use of « getAttributeNode() »is deprecated. Use « getAttribute() » à la place. _dist-editor.js:2:25246
L’utilisation de « getPreventDefault() » est obsolète. Utiliser « defaultPrevented » à la place. jquery-1.9.1.js:3346:28
ReferenceError: diff_match_patch is not defined
jquery.pretty-text-diff.js:25:7

In fact the library is not working, it shall be the bad path. When I entered manually the file everything works fine.

Thnks for your great work !