Merge branch 'master' into xwidget

diff --cc configure.ac
Simple merge

diff --cc src/buffer.c
Simple merge

diff --cc src/emacs.c
Simple merge

diff --cc src/keyboard.c
Simple merge

diff --cc src/lisp.h
Simple merge

diff --cc src/print.c
Simple merge

diff --cc src/window.c
Simple merge

diff --cc src/xdisp.c
Simple merge