Text Diff Articles

Text Diff in Practice: Legal Redlining, Code Review, and How AI Writing Assistants Show Changes

Legal document redlining, Git pull request review, Word's Track Changes, and AI writing assistants all use the same diff principle. Here's how each context uses comparison differently, why legal diff needs more than plain text comparison, and how AI tools use diff to show suggested edits.

Jun 11, 2026

How Diff Works: Git, Three-Way Merge, and the Myers Algorithm Behind It

Git diff, pull request reviews, and three-way merges all run on the Myers diff algorithm. Here's how diff finds the shortest edit between two texts, how to read git diff output, why merge conflicts happen, and how diff applies beyond version control.

Jun 8, 2026

Text Diff — Compare Two Texts and See Exactly What Changed

Learn how text diff works, the difference between line, word, and character diff modes, how to read unified diff format, and when to use a text diff tool for documents, code, and configuration files.

Jun 6, 2026