I've had production failures on very critical systems when files were edited and silently had their \n line endings replaced with \r\n line endings. Once we fou

I've had production failures on very critical systems when files were edited and silently had their \n line endings replaced with \r\n line endings. Once we found the problem it was simple enough to fix, and we changed the files in question to be robust against such changes in the future, but that was an... unpleasant day.