Invalid chart url's
Concerning the git release "3.2.2-9-ge0145ce"
Cartesian charts are broken. When rendered offline with png, it returns an image element with an invalid url:
while it should have been:
Patching WWidgetRasterPainter to return the correct url does not help either. So something more fundamental is broken here.
Rendering on html canvas results in an empty rectangle.
There is no apparent error message. Seems to occur independent of the browser type.