Github user pvillard31 commented on the issue:
https://github.com/apache/nifi/pull/1953
Yes @jfrazee, that could be an option. However, do you think that's a good
idea to have the XSLT as an attribute of the flow files? The XSLT could be
really big and I'm not sure users will have the reflex to use an
UpdateAttribute to remove it after the TransformXml.
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