master updated (00f7744 -> b318e58)

[Stefan Monnier]

monnier pushed a change to branch master.

      from  00f7744   Check for IPv6 servers in dns.el
       new  9b6d252   * lisp/arc-mode.el: Use lexical-binding
       new  702a97f   * lisp/arc-mode.el: Remove redundant `:group`s
       new  b318e58   * lisp/arc-mode.el (archive-ar-write-file-member): New 
function


Summary of changes:
 lisp/arc-mode.el | 213 +++++++++++++++++++++++++++----------------------------
 1 file changed, 104 insertions(+), 109 deletions(-)