One time, I was writing an answer to a question, when the question was closed. I had spent a little time on the question, so I didn't want to lose it. The post button was disabled, so I inspected it and saw that there was a single attribute disabling it:

disabled = "disabled"

I undid it, and was able to post my answer, even though the question was closed. There was no JS to keep me from posting it. Is this intentional, or just a mistake that the developers never thought about?

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