Minor cleanups.
Remove relic
Remove spurious FIXME
Line::end() should not reveal the untrimmed chars.
Beginnings of Buffer::selectExpand()
Buffer selection API renames.
Progress toward clearing the selection on buffer changes.
Correctly adjust cursor position on resize - ugly fix.
Clear the selection when X11 tells us to.
Prefer Cells::begin() to _cells.begin()
Delimit Buffer::dump() lines with '\'
F9 to dump (instead of F1).
Common code -> Buffer::normalSelection()
std::move() optimisation
Use templated class for bit-sets.
Work on cursor adjustment during resize.
1st-class Modifiers
Don't change selection when in Mode::MOUSE_BUTTON mode
Prevent droppings
Struct member re-ordering