RCP: 0.7.8, missing XML Editor toolbar
The XML Editor from the (XML Editor extension) has no toolbar with the common edit buttons.
Solution
Use the TXM text editor buttons.
Change the “TextEditorActive” Eclipse RCP Reference declaration (in plugin.xml) to include the XML Editor id in the reference test
(from redmine: issue id 2314, created on 2018/01/09 by Matthieu Decorde)