master updated (bab2969 -> 3bc0768)

[Lars Ingebrigtsen]

larsi pushed a change to branch master.

      from  bab2969   Support precision mouse scrolling on MS-Windows
       new  9d17e34   Preserve newlines at the end of pixel-fill-region
       new  2d60566   Use proportional fonts in the Gnus headers by default
       new  3bc0768   Enable gnus-treat-fold-headers by default


Summary of changes:
 etc/NEWS                     | 10 ++++++++++
 lisp/gnus/gnus-art.el        | 18 ++++++++++++++----
 lisp/textmodes/pixel-fill.el | 16 ++++++++++++----
 3 files changed, 36 insertions(+), 8 deletions(-)