Re: parallel bootstrap failure; _prompt_? during bootstrap build

[Richard Stallman]

    > When Emacs reads input in batch mode, does it do this decoding at all?
    > I don't know.  But since the input is coming from stdin, not from "the
    > keyboard", I think it is wrong to do any such decoding.

    I don't see why it would be wrong.  It would be wrong to do
    terminal-escape-sequence processing, but coding-system decoding on the
    contrary seems like the right thing to do.

Could you explain the arguments for this?