getting errors reported just because the meta tags are in an include file?

If I enter the markup manually, no errors.  If I use php include files, errors.  Since the html has been rendered correctly, (on several browsers) the markup should be parsed as rendered.  Seems to be something weird going on in your validator.
Write a page in php. View source and check it with your validator.  No errors.  Take the same page and put the meta tags in an include file.  Run it in a browser and view source.  Copy the source and feed it to your validator..  Errors even if the markup is good.
What gives?

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