[poppler] Should we aim for having utils only using public API, ideally cpp/ ?

[Oliver Sander]

>> We have asked third party uses of non public headers to come forward and
>> describe their needs multiple times, we've always got a big silence as
>> answer.
> 
> Not completely true ;-)

Indeed.  As mentioned I have also received descriptions of what the LibreOffice folks do.
In order to import pdf files they subclass OutputDev to 'paint' into a custom internal
format they have. I'll dig out the details on request.

Best,
Oliver