cdf files can contain spaces, etc in variable names. We need to get the list of allowed characters and support this with escape characters.
See /media/mini/data.backup/examples/cdf/poes_n15_19981226.cdf
See also https://sourceforge.net/tracker/?func=detail&aid=3049295&group_id=199733&atid=970682
I introduced a bug where using a URI without the arg_0 parameter would cause it to fail with a null pointer exception. This has been fixed.
See /media/mini/data.backup/examples/cdf/poes_n15_19981226.cdf
See also https://sourceforge.net/tracker/?func=detail&aid=3049295&group_id=199733&atid=970682
I introduced a bug where using a URI without the arg_0 parameter would cause it to fail with a null pointer exception. This has been fixed.