master updated (14a1a84 -> 13bd909)

[Lars Ingebrigtsen]

larsi pushed a change to branch master.

      from  14a1a84   Add a link to the manual from the defcustom doc string
       new  e62f719   Minor shortdoc link improvements
       new  13bd909   Add support for flat buttons


Summary of changes:
 doc/lispref/display.texi    | 17 +++++++++--------
 etc/NEWS                    |  4 +++-
 lisp/emacs-lisp/shortdoc.el | 13 +++++++++++--
 lisp/help-fns.el            |  4 +++-
 src/xfaces.c                |  8 +++++++-
 5 files changed, 33 insertions(+), 13 deletions(-)