I assume I should get the IngestLDD file from
https://github.com/pds-data-dictionaries/ldd-hst


% validate -x *xsd -S *sch -t ORB_35_STAR_SCANNER.xml
Configuration:
   Version     3.6.0-SNAPSHOT
   Date        2024-10-14T21:11:53Z
Parameters:
   Targets                      [file:/Users/rchen/Desktop/794/ORB_35_STAR_SCANNER.xml]
   Severity Level               WARNING
   Recurse Directories          true
   File Filters Used            [*.xml, *.XML]
   Data Content Validation      on
   Product Level Validation     on
   Max Errors                   100000
   Registered Contexts File     /Users/rchen/PDS4tools/validate/resources/registered_context_products.json
Product Level Validation Results
  PASS: file:/Users/rchen/Desktop/794/ORB_35_STAR_SCANNER.xml
        1 product validation(s) completed
Summary:
  1 product(s)
  0 error(s)
  0 warning(s)
  Product Validation Summary:
    1          product(s) passed
    0          product(s) failed
    0          product(s) skipped
    1          product(s) total
  Referential Integrity Check Summary:
    0          check(s) passed
    0          check(s) failed
    0          check(s) skipped
    0          check(s) total
End of Report
Completed execution in 2379 ms
% 
% 
% grep vikinglander: ORB_35_STAR_SCANNER.xml
            <vikinglander:Viking_Lander_Parameters>
                <vikinglander:Observation_Information>
                    <vikinglander:observation_name>testtesttesttest</vikinglander:observation_name>
                </vikinglander:Observation_Information>
            </vikinglander:Viking_Lander_Parameters>
