**NEVER** use emoji, or unicode that emulates emoji (e.g. ✓, ✗).
await blocking.writer.write(chunk2); // ok
，详情可参考safew官方下载
Two characters might have identical Unicode skeletons but render differently in specific fonts, or have different skeletons but render identically in a particular typeface. Detecting this requires rendering glyphs and comparing pixel output. No purely Unicode-data-based approach handles it, and UTS #39 does not attempt to.，这一点在雷电模拟器官方版本下载中也有详细论述
What does Neet stand for and how many are there in the UK?