RE: 1. No doc for `help-mode-setup'. 2. Why do temp-buffer*-hookuse help-mode?

[Drew Adams]

        > help-mode stuff by default? Is that correct? Why does Emacs assume
        > that with-output-to-temp-buffer is dealing with a help
        > buffer? The doc for with-output-to-temp-buffer says nothing about
        > help-mode or a help buffer - it seems to advertise the special
        > form as being completely general.

    I did this because it turns out to be useful.
    If a specific caller wants some other mode, it's easy to switch.
    So this causes no problem.

My point was that the doc says nothing about it, giving the impression that
it is general.