I have tried trang, with no better out come, and the rnc looks ok to me --
though I am no expert. What should I look for, and do you know of a way of
getting -- say -- line numbers for the error?

Haven't tried anything libxml2-based. Any suggestions

--- In emacs-nxml-mode@yahoogroups.com, Steinar Bang <sb@...> wrote:
>
> >>>>> "a_stephm" <stephm@...>:
>
> > 3. When I then attempt to load the .rnc with rng-c-load-schema
> > I get the following error message:
>
> > Incorrect Schema:"...nxml-mode/schema/xanx.rnc"
> > 4318 "Expected `}' but got `+'
> [snip!]
> > 2. More to the point does this indicate some problem
> > with the xsd or the rng converter?
>
> What I would have done is to take a look at the generated rnc file and
> see if it looked sensible. I would also have tried to parse the schema
> with a different RNC implementation. Eg. can trang load it...? What
> about anything libxml2-based?
>