Since firefox 57 I can no longer open xml files: while old firefoxes display xmls showing a structure that re-formats the source, now I see a blank page.
Yes, I know that I can show the sources and access the "raw" xml, but all this on one line and mostly unreadable.
I searched, but I did not find an extension; is there a way (some usersite css?) to show xml files in firefox?
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