例如把 tr 的 reverse collating 报错升级为「did you mean b-y?」
仅在 stderr 是终端时启用该富文本渲染,不影响脚本/管道场景
金句
When one of those fails to parse, what you actually want to know is which argument, or which character of it, the parser tripped over. rustc has been answering that question with a caret for years.