Thanks, that was obviously the issue. I just Googled "oxygenxml eclipse" and found the old documentation.
I clearly didn't know what I was doing!

Lex

When trying Oxygen 18.1 with Eclipse 4.6 Neon, I get the following error: Cannot complete the install because one or more required items could not be found. Software being installed: oXygen XML Editor and XSLT Debugger 11.2.0.v2010090711 (com.oxygenxml.editor.feature.group 11.2.0.v2010090711) Missin...

With XMLDiff I can ignore changes in comments. I would like to be able to completely ignore comments.

Thanks,
Lex Jansen