But it can't get content assist to work - has anyone got any ideas on why
this is the case. I'm pretty sure I got this working on v0.7, but I'm
having no joy with v1.
Looks like this may be a bug in the XML catalog. There are a number of use
cases that must be supported by the catalog. Please open a bug to report
your specific use case so we can take a look at it in future releases.