I tried the beta mode to save component digram in eps.
I got a different behavior with this kind of link
Interface )-left- S
In the standard way, it does something like that:
In eps mode, it gives that:
It sets a circle at this end of the link instead of a hook
Small tips: I think it would be better if the distance is smaller between the interface and the link
You have done a awesome job with plantUML! First free solution to do easily UML, you changed my life!