master updated (ea6e7a01f97 -> d5fea6863cc)

jporter pushed a change to branch master.

      from  ea6e7a01f97 Fix bug when looping over intervals in another buffer (Bug#81652)
       new  ed2063ba72d Allow writing a lambda function as a command in Eshell
       new  bb2e759b574 New 'eshell-convert-args' utility function
       new  92ca3e8f94c Add some initial generic functions to support Eshell tasks
       new  245bbdc0c5e Add basic support in Eshell for piping to Lisp commands
       new  06241611033 Add 'apply-lines' and 'map-lines' Eshell commands
       new  7de2c20571c Handle Lisp errors in Eshell workers
       new  b9a311eccec Allow sending interactive input to Eshell workers
       new  d5fea6863cc Document Eshell's Lisp pipes feature


Summary of changes:
 doc/misc/eshell.texi                 |  93 +++++++++-
 etc/NEWS                             |  13 ++
 lisp/eshell/em-basic.el              |   2 +
 lisp/eshell/esh-cmd.el               |  54 +++---
 lisp/eshell/esh-io.el                |  24 +++
 lisp/eshell/esh-mode.el              |  12 +-
 lisp/eshell/esh-proc.el              |  19 +-
 lisp/eshell/esh-util.el              |  54 +++++-
 lisp/eshell/esh-worker.el            | 335 +++++++++++++++++++++++++++++++++++
 test/lisp/eshell/esh-cmd-tests.el    |   5 +
 test/lisp/eshell/esh-worker-tests.el | 255 ++++++++++++++++++++++++++
 11 files changed, 814 insertions(+), 52 deletions(-)
 create mode 100644 lisp/eshell/esh-worker.el
 create mode 100644 test/lisp/eshell/esh-worker-tests.el