qpdf/qpdf/qtest/qpdf/page-no-content.out

WARNING: page-no-content.pdf, object 4 0 at offset 288: kid 1 (from 0) MediaBox is undefined; setting to letter / ANSI A
page 1: 3 0 R
  content:
    6 0 R
page 2: 4 0 R
  content:
page 3: 5 0 R
  content:
    9 0 R
qpdf: operation succeeded with warnings