[1] = worst error severity

Reading DispM-apcRev-Da.sil
Unable to find title entry for Page
;File=DispM-apcRev-Da.sil Rev=Da Date=11/09/82 Reference  MARKED BUILT 
Can't find valid page number in SIL title region.
Reading DispM31.sil
;File=DispM31.sil Rev=Da Date=11/09/82 Page=31 Reference  MARKED BUILT