It would be nice if we had a small program that checks the PDF for subset standards like PDF/X and PDF/A. Something like a PDF validator if you like.
This info can (should) be also included in pdfinfo.
A free tool for this exist for Windows and Mac:
Reviczky Ádám János,
Do you still experience this issue with newer soft ?
Please check the status of your issue.
Or close this bug.
Yes, this enhancement is still valid, there is no way to check the validity of a PDF subset at the moment.
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