Read-only string representation of all parts of container format except container contents.
abjad> container = Container(construct.scale(12))
abjad> container.notehead.color = 'red'
abjad> container.notehead.style = 'harmonic'
abjad> container.comments.before.append('Container comments')
abjad> print container.formatter.wrapper
{
\override NoteHead #'style = #'harmonic
\override NoteHead #'color = #red
%%% 12 components omitted %%%
\revert NoteHead #'style
\revert NoteHead #'color
}