Add checklist

README.md

@@ -10,3 +10,34 @@ Rust, and supports bidirectional text. Font fallback is also a custom
 implementation, reusing some of the static fallback lists in browsers such as
 Chromium and Firefox. Linux, macOS, and Windows are supported with the full
 feature set. Other platforms may need to implement font fallback capabilities.
+
+The following features must be supported before this is "ready":
+
+- [x] Font loading
+  - [x] Preset fonts
+  - [x] System fonts
+- [ ] Text styles (bold, italic, etc.)
+- [x] Font shaping (using rustybuzz)
+  - [x] Cache results
+  - [x] RTL
+  - [x] Bidirectional rendering
+- [x] Font fallback
+  - [x] Choose font based on locale to work around "unification"
+  - [x] Per-line granularity
+  - [x] Per-character granularity
+- [x] Font layout
+  - [x] Click detection
+  - [x] Simple wrapping
+  - [ ] Wrapping with indentation
+  - [ ] No wrapping
+  - [ ] Ellipsize
+- [x] Font rendering (using swash)
+  - [x] Cache results
+  - [x] Font hinting
+  - [x] Ligatures
+  - [x] Color emoji
+- [x] Text editing
+    - [x] Performance improvements
+    - [x] Text selection
+    - [ ] Can automatically recreate https://unicode.org/udhr/ without errors
+    - [ ] Copy/paste