tree ff477fbaf93b7acbe2245fe02b1bbf906a6d159a
parent 13a0b6bb3fe05454cace81f5ec7624f6fd9021a5
author nicm <nicm> 1486575069 +0000
committer nicm <nicm> 1486575069 +0000

Add support for scroll up escape sequence (CSI S) and use it when
possible instead of sending individual line feeds.