[ale] Make emacs show "invisible" characters

[rb211 at tds.net (William Bagwell)]

On Thursday 16 November 2006 05:10 pm, JK wrote:
> I used to know how to do this, but neither my brain
> nor Google is my friend today.
>
> I'm editing a source file that has line-ending issues --
> it's got a mix of DOS and Unix line endings. ?I know
> there is a way to provoke emacs to explicitly display
> the line-ending characters (^M, ^J, etc) and other
> normally "invisible" whitespace, but I can't find it.
> Any clues?

Sorry no clue how to do this in emacs. But if you got a private reply 
please share. I would be intersted in showing line feeds in *any* text 
editor. Recently needed to do something similar, and resorted to using a 
hex editor. Fortunately it was a short script...
-- 
William