Group style "none" (beige rectangle with dashed border) and "pathway" (green rectangle) are not visualized correctly. They both resemble the "complex" type of group.
Note that groups of type "complex" and "group" are visualized correctly.
See attached, with labels explaining what the groups are assigned to. Second screenshot is from WP.
Representation of what all four group styles look like in PathVisio (and WP), the label above each is that the style is called in gpml, i.e. "Style="Complex" etc.
Group style "none" (beige rectangle with dashed border) and "pathway" (green rectangle) are not visualized correctly. They both resemble the "complex" type of group. Note that groups of type "complex" and "group" are visualized correctly.
See attached, with labels explaining what the groups are assigned to. Second screenshot is from WP.