1. A method for detecting and highlighting changes in documents and displaying the documents in a side-by-side aligned view, the method comprising: detecting aspects of a source document and a revised document, by an electronic processor device configured for the detecting; comparing the detected aspects of the source document and the revised document, by the electronic processor device configured for the comparing; identifying at least one of similarities and differences between the source document and the revised document, by the electronic processor device configured for the identifying; introducing visual indicators to maintain consistent and accurate alignment between the source and revised content, by an electronic processor device configured for the introducing of the visual indicators; and outputting a merged single output file containing the aligned side-by-side view of the source document and the revised document, with all differences between the source document and the revised document visually identified, by an electronic processor device configured for the outputting.