Bases: abjad.core.interface._Interface, abjad.core.grobhandler._GrobHandler
New in version 1.1.1..
Handle the LilyPond NoteColumn grob.
abjad> t = Staff(construct.scale(4))
abjad> t.notecolumn.ignore_collision = True
abjad> print t.format
\new Staff \with {
\override NoteColumn #'ignore-collision = ##t
} {
c'8
d'8
e'8
f'8
}