PostScript Files
----------------
`X p'
Unpack the current PostScript series (`gnus-uu-decode-postscript').
`X P'
Unpack and save the current PostScript series
(`gnus-uu-decode-postscript-and-save').
`X v p'
View the current PostScript series
(`gnus-uu-decode-postscript-view').
`X v P'
View and save the current PostScript series
(`gnus-uu-decode-postscript-and-save-view').