keithw/mosh — pull request #420 by barosl (2013-05-10 21:29:02+00:00)
Title: Implement alternate screen

Make it possible for Framebuffer to save and restore the current state
of the screen. get_DEC_mode() in terminalfunctions.cc also needs to be
patched to know the requested operation.

Signed-off-by: Barosl LEE