node-diff 1.4.0~dfsg-4 (amd64 binary) in ubuntu groovy

 Node is an event-based server-side JavaScript engine.
 .
 jsdiff is a javascript text differencing implementation
 based on the algorithm proposed
 in "An O(ND) Difference Algorithm and its Variations"
 (Myers, 1986):
 <http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.4.6927>.