The ktImportXML script from the Krona tools (https://github.com/marbl/Krona)
must be available in $PATH.
Alternatively, the path to the extracted KronaTools directory can be
specified with kronatools_dir.
Arguments
- xml
Krona XML string
- outfile
Write the string to file instead of returning the HTML character string.
- kronatools_dir, resources_url
see ChartOpts
- ...
Additional arguments are ignored