[Crash-utility] less(1) TERM requirements; man page update [was Re: crash CPU bound waiting for user response]

[Dave Anderson]

D. Hugh Redelmeier wrote:
> | From: Dave Anderson <anderson at redhat.com>
> 
> | Fine, but at a minimum I propose the addition of a "--more" command
> | line argument to force its use instead of "less".  With that in place,
> | I've verified that crash scrolling works fine using the "vanilla"
> | TERM type, and I presume that using "more" for scrolling would suffice
> | within the emacs/jove/vanilla environment as well?
> 
> Would it not be better to use $PAGER to make this choice?
> - it is already a convention
> - it doesn't add to the tangle of options
> - it allows even more control (eg. PAGER=cat)
> 

I guess because $PAGER is typically not set, and PAGER=cat is
pretty much the same as "set scroll off".