clarify if the @organism attribute on the Pathway element can have more than one organism #89
Description
Currently, <Pathway organism=""> attribute can hold one or more species names. The semantics is not fully defined. The XML Schema clearly indicates there can be zero or one attribute, but I did not find if the attribute can only contain one or also multiple species.
For example, the following GPML is valid against the XML Schema:
<Pathway xmlns="http://pathvisio.org/GPML/2021" title="linamarin biosynthesis"
organism="Manihot esculenta, Linum usitatissimum, Lotus japonicus, Manihot esculenta"
>See https://github.com/pathway-lod/Cyc_to_wiki/actions/runs/19994403679/job/57339792081#step:3:258 and pathway-lod/Cyc_to_wiki#4