RE: usability problem of emacs describe-mode

[Drew Adams]

> >     * Get rid of convention of using ^L (ascii 12) for page break
> >       marker.
> 
> Is there a way to draw a sort of horizontal line for the ASCII 12
> symbol instead of printing "^L"? I'm talking about X version.

Yes.

Code: http://www.emacswiki.org/emacs/pp-c-l.el
Description: http://www.emacswiki.org/emacs/PrettyControlL

You can customize the appearance. 
The screenshot shows the default appearance.