* doc/misc/tramp.texi (External methods): Mention, how external
methods are used for multi-hops.
(Ad-hoc multi-hops): Change requirement of method.
* doc/misc/trampver.texi:
* lisp/net/trampver.el: Change version to "2.8.2-pre".
* etc/NEWS: External Tramp methods can be used in multi-hops.
Presentational fixes and improvements.
* lisp/net/tramp-sh.el (tramp-sh-handle-copy-directory): Check for
`tramp-method-out-of-band-p' explicitly. Don't flush directory
properties.
(tramp-method-out-of-band-p): There shouldn't be a multi-hop.
* lisp/net/tramp-smb.el (tramp-smb-handle-copy-directory): Don't
flush directory properties.
* lisp/net/tramp.el (tramp-methods): Adapt docstring.
(tramp-barf-if-file-missing)
(with-parsed-tramp-file-name): Adapt debug spec.
(tramp-skeleton-copy-directory): Flush directory properties.
(tramp-add-hops): Check for `tramp-login-args' property.
8343ce6c52