RE: Key descriptions in *Help* are too wide

[Drew Adams]

    >     Because there are lots of keys bound to `ignore', when I do
    >     C-h k mouse-2, I get a key description that is far too wide: 148
    >     characters on a single line!  For example:
    >
    >     <down-mouse-2> at that spot runs the command ignore
    >        which is an interactive compiled Lisp function in `subr.el'.
    >     It is bound to <mouse-3>, <drag-mouse-2>, <down-mouse-2>,
    >     <drag-mouse-1>,
    >     <down-mouse-1>, <language-change>, <rwindow>, <lwindow>,
    >     <mouse-movement>. (ignore &rest IGNORE)

    > What do you suggest that it do differently?

    >     The *Help* buffer description should be filled.

    > Is that your suggestion?  It might make things a little better,
    > but not much better.

    How about (setq truncate-lines t) instead?

Ugh! No; that should be under user control, if possible.

I want to see all the bindings. I just don't want a super-long line. (Plus,
we don't have a horizontal scroll bar.)

Filling would be fine. That is what we have done in other cases recently
where lines were too long - see, for instance the thread "1)`C-h m' minor
mode info is too noisy 2) other sugg..."