PDS_VERSION_ID     = PDS3
RECORD_TYPE        = STREAM
PRODUCT_ID         = "DOCINFO.TXT"
OBJECT             = TEXT
  NOTE             = "AAREADME file for DOCUMENT directory"
  PUBLICATION_DATE = 2022-12-01
END_OBJECT         = TEXT
END

Content:

The DOCUMENT Directory has the following structure:

DOCUMENT -|--OSIRIS_SSR        : OSIRIS Space Science Review Instrument Paper 
          |                      (Instrument Description)
          |
          |--ACTIVITY_TABLES   : Tables linking images to their observational
          |                      activity
          |
          |--EAICD             : OSIRIS Archiving Interface Control Document
          |
          |--SIS               : Software Interface Specifications for
          |                      OSIRIS Science Products
          |
          |--CALIB             : Calibration documents
          |
          |--SCIENCE_USER_GUIDE: Science User Guide
          
Note that previously delivered OSIRIS_L1_L2_SIS_V??.PDF and OSIRIS_THUMB_SIS_V01.PDF 
have been discontinued and replaced by OSIRIS_SIS_V??.PDF.