Truncating subprocess output by bytes changes what it says, before any reader sees it

📝 摘要

按字节截断子进程输出会在读取前改变其语义内容。

📄 正文节选

A truncation is supposed to remove content. It is not supposed to alter what is left. Here it alters. When a subprocess collector keeps more output than it has room for, it drops the head of its buffer by bytes, with no regard for where a character ends. The first thing a reader sees can therefore b……

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GitHub 讨论 #10345 ↗

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