onion/xterm.dart @ e86045642080b41983e7c508dfbbb458401e04b4

devmil e860456420 resolves merge conflicts		4 lat temu
..
buffer.dart	e860456420 resolves merge conflicts	4 lat temu
buffer_line.dart	47e2d5cf76 adds some clear line + wrapped logic	4 lat temu
buffer_reflow.dart	47e2d5cf76 adds some clear line + wrapped logic	4 lat temu
cell.dart	d825a6329d Improves things a bit	4 lat temu
cell_attr.dart	a6e36ffc52 migrate to nnbd	4 lat temu