* doc/misc/calc.texi (Free-Form Dates): Expand on the date reading
  algorithm.

* lisp/calc/README: Mention ISO 8601 week-numbering dates.
Simplify via eabs.

* dired.c (file_name_completion):
* doc.c (get_doc_string):
* floatfns.c (round2):
* font.c (font_score, font_delete_unmatched):
* fringe.c (compute_fringe_widths):
* lread.c (read_list):
* minibuf.c (Ftry_completion):
* term.c (tty_ins_del_lines):
* xterm.c (x_draw_image_foreground, x_draw_image_foreground_1):
Use eabs (x) rather than open-coding it as (x < 0 ? -x : x).
Merge changes made in Gnus master

lisp/gnus/gnus-msg.el: Don't do Gcc handling if Gnus isn't running
lisp/gnus/nnimap.el: Make nnimap treat \Deleted articles as \Read articles
* net/tramp-sh.el (tramp-sh-handle-set-file-acl): Add argument to
`error' call.
(tramp-do-copy-or-rename-file): Ignore errors when calling
`set-file-extended-attributes'.

* net/tramp-smb.el (tramp-smb-file-name-handler-alist): Add
handler for `file-acl'.
(tramp-smb-handle-file-acl): New defun.