master updated (aa955dc569 -> 7f7acf3956)

[Paul Eggert]

eggert pushed a change to branch master.

      from  aa955dc569 * lisp/shell.el (shell): Fix last change
       new  4b44eaa1f9 Doc fix for dst flag
       new  b40009e2f9 ISO 8601 strings sans "Z" don’t specify DST flag
       new  7f7acf3956 Document decoded-time-string issue on 6-elt args


Summary of changes:
 doc/lispref/os.texi                 |  4 ++--
 lisp/calendar/iso8601.el            | 12 +++++++++---
 lisp/simple.el                      |  8 ++++++++
 test/lisp/calendar/iso8601-tests.el | 20 ++++++++++----------
 4 files changed, 29 insertions(+), 15 deletions(-)