[Fontconfig] Xft with Xsun + XRender

[Keith Packard]

Around 11 o'clock on Feb 13, Albert Chin wrote:

> I ran this without first having run fc-cache. I get the error:
>  Error: XtCreateWidget "styleName" requires non-NULL parent
>
> Is fc-cache mandatory?

It shouldn't be, but there was a bug in fontconfig which made the per-user 
cache files break badly in many cases.  Things should work a bit better 
now, but I'm still working in that area.

-keith