Double Fill-in-the-Middle - Supermaven Spanks GitHub Copilot Again

Line completions are just a tiny fraction of what's possible. If we think in terms of rewriting entire lines then it's easy to understand the value proposition of tools like Supermaven that effectively pull off back to back fill-in-the-middle completions. All with a single press of the Tab key. In this case to turn a filename into a markdown link to the actual file!