master updated (422b0f2a50 -> 667e212048)

[Lars Ingebrigtsen]

larsi pushed a change to branch master.

      from  422b0f2a50 Make hi-lock-face-defaults into a defcustom
       new  1693423fd7 Move Eshell test helpers to their own file
       new  42aef82a2b Rework eshell-match-result for testing asynchronous 
commands
       new  667e212048 Add Eshell syntax to more easily bypass Eshell's own 
pipelining


Summary of changes:
 doc/misc/eshell.texi                     |  42 +++++++
 etc/NEWS                                 |  10 ++
 lisp/eshell/em-extpipe.el                | 183 +++++++++++++++++++++++++++
 lisp/eshell/esh-module.el                |   1 +
 test/lisp/eshell/em-extpipe-tests.el     | 205 +++++++++++++++++++++++++++++++
 test/lisp/eshell/eshell-tests-helpers.el |  91 ++++++++++++++
 test/lisp/eshell/eshell-tests.el         |  66 ++--------
 7 files changed, 542 insertions(+), 56 deletions(-)
 create mode 100644 lisp/eshell/em-extpipe.el
 create mode 100644 test/lisp/eshell/em-extpipe-tests.el
 create mode 100644 test/lisp/eshell/eshell-tests-helpers.el