master updated (4e97019 -> 4aff89e)

[Michael Albinus]

albinus pushed a change to branch master.

      from  4e97019   Minor fixes for last change
       new  608b811   ; * test/lisp/net/tramp-tests.el 
(tramp-test28-process-file): Instrument test.
       new  4aff89e   Rework direct async processes in Tramp


Summary of changes:
 doc/misc/tramp.texi          |  16 ++--
 lisp/net/tramp.el            | 198 +++++++++++++++++--------------------------
 test/lisp/net/tramp-tests.el | 145 +++++++++++++++++--------------
 3 files changed, 172 insertions(+), 187 deletions(-)