master updated (c223e2aefc -> dfdd2f6f23)

[Po Lu]

oldosfan pushed a change to branch master.

      from  c223e2aefc Improve GTK support for X11 drag-n-drop
       new  00172ae0c8 Implement cross-program drag-and-drop on Haiku
       new  dfdd2f6f23 * lisp/term/haiku-win.el (x-begin-drag): Fix type code 
of B_MIME_TYPE.


Summary of changes:
 doc/lispref/frames.texi |   2 +-
 lisp/term/haiku-win.el  |  54 +++++++++++-
 src/haiku_select.cc     |  16 ++++
 src/haiku_support.cc    | 112 ++++++++++++++++++++++++
 src/haiku_support.h     |   6 ++
 src/haikuselect.c       | 224 +++++++++++++++++++++++++++++++++++++++++++++++-
 src/haikuselect.h       |   4 +
 7 files changed, 411 insertions(+), 7 deletions(-)