This test checks multi-column documents. This test is a special regression test
(a section that is not the first span group, is not spanned, is forced to be
balanced and breaks over a page).
line1line2line3line4line5line6line7line8line9line10line11line12line13This line is spanned over all columns.This line is spanned over all columns.This line is spanned over all columns.This line is spanned over all columns.This line is spanned over all columns.This line is spanned over all columns.This line is spanned over all columns.This line is spanned over all columns.This line is spanned over all columns.This line is spanned over all columns.line1line2line3line4line5line6line7line8line9line10line11line12line13line14line15line16line17line18line19line20line21line22line23line24line25