It doesn't want those calls intercepted, so it sets the already_in_pseudo flag (actually spelled "antimagic") when it's about to do something that might require such handling.
它不想让这些调用被拦截，因此当将要执行可能需要此类处理的事件时，它将设置already _ in _ pseudo标记(实际上读作“antimagic”)。
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