Source file name not included in the errormessage when the page is not valid

I have been validating a lot of files by uploading them and the error messages are really instructive and detailed.

Problem: The file name can be found in the message when the page is valid, but it cannot be found when the page is not valid. It would really help in such cases when one is validating mechanically a lot of files!

Best regards
Mihály Nemes