Write validator errors to System.err

[sergey-s-betke]

• Closes Write validator errors to System.err #120
• Fixes ODFValidator & Exit Code #112

[sergey-s-betke]

@svanteschubert, please, merge this pull request... Thank You!

[svanteschubert]

@svanteschubert, please, merge this pull request... Thank You!

I just talked to Michael Stahl (aka mistmist), he will take a look upon it.
The ODF validator is his "kingdom" and I am still in the middle of improving code-generation for ODFDOM using the MultiSchemaValidator...
But thanks for the patch and for the reminder!
Svante

[mistmist]

okay this looks mostly acceptable, except for the actual exit code being used - a simple thing to fix...

this requires adapting LO's test code which currently ignores stderr but https://gerrit.libreoffice.org/c/core/+/120943 should do it.

[sergey-s-betke]

i think we should use a different exit value for "there were technical problems" and "validator reported invalid XML".

since "1" is already used for the first case, please use any other number for this.

I change exit code from 1 to 2:

• 85dae60

[mistmist]

thanks!

[sergey-s-betke]

thanks!

Welcome! 😁😁😁