self.config.sleep_min,
const { readable, writable } = new TransformStream();
，详情可参考搜狗输入法2026
Finding the closest point
These exist in confusables.txt because they map to the same abstract character under NFKC decomposition. The map is semantically correct. But from a visual perspective, these are false positives: a human would never confuse Mathematical Fraktur l with plain l.