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README.md

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+# libxdiff
+
+A D wrapper around the C **libxdiff**: thin bindings ([xdiff.d](https://git.zhirov.kz/dlang/xdiff)) + a small OO layer (`MMFile`, `MMBlocks`) for diff/patch/merge with clear ownership.
+
+## Features
+
+* **MMFile** — compact in-memory file (single buffer).
+* **MMBlocks** — native libxdiff block chain with compaction.
+* `computePatch`, `applyPatch` (returns accepted + rejected parts).
+* `merge3Raw` (three-way merge) with `nothrow` callbacks.
+* Deep copies where needed, explicit move of ownership, no double-free traps.
+
+## Installation
+
+Add to `dub.json`:
+
+```json
+{
+    "dependencies": {
+        "libxdiff": "~>0.1.0"
+    }
+}
+```
+
+Or to `dub.sdl`:
+
+```
+dependency "libxdiff" version="~>0.1.0"
+```
+
+Run `dub build`.
+
+## Usage
+
+Import the module: `import libxdiff;`
+
+## License
+
+Boost Software License 1.0. See [LICENSE](LICENSE).