Visualize and edit machine translation derivations using raphaeljs. Took raphael.inline_text_editing.js from [1]. Partially adapted from [3] and [2]. Resources: [1] https://github.com/marmelab/Raphael.InlineTextEditing [2] http://grokbase.com/p/gg/raphaeljs/135twn41fq/how-to-move-text-and-rect-together-using-raphaeljs [3] http://raphaeljs.com/graffle.html