raw ansi-escape-codes in viewer?

[Miven Dooligan]

Pavel Roskin wrote:

>On Fri, 25 Oct 2002, Miven Dooligan wrote:
>
>>Is there a way of getting the viewer to display the
>>raw escape-codes in a file, like less -R?
>>
>
>No.  It would create mess on the screen.  It's explained in "man less".  
>Mess on the screen is bad in a program that can easily delete whole
>directories.
>
What exactly are F8 & F9 supposed to do?