master updated (340e81f476 -> 33055c2608)

[Po Lu]

oldosfan pushed a change to branch master.

      from  340e81f476 * src/xselect.c (x_atom_to_symbol): Add XdndSelection.
       new  1e901298e3 Return an appropriate action when performing unsupported 
drop
       new  33055c2608 Improve doc of x-begin-drag


Summary of changes:
 doc/lispref/frames.texi | 15 ++++++++-------
 src/xterm.c             |  7 ++++++-
 2 files changed, 14 insertions(+), 8 deletions(-)