Diff Annotator, developed at the University of Antwerp as part of eXtant, a toolkit for digital scholarly editing, is a lightweight tool for annotating text-comparisons of two plain text files. It was initially created for a specific use case, a research project that included a comparative close reading of two versions of Stephen King’s novel IT. It was programmed to facilitate an analysis of the mechanics of suspense throughout King’s revision campaigns during the novel’s composition process....