In Chrome latest version, underscore characters go out of link text to the right as you can see in following image
And the code for this image is
@startuml
interface Subscription <<ABC, Protocol>> {
[[https://www.google.com KLM MNO]]
__
«OutEvent» [[PATH_ABC(LinkAddedReqLinkAddedReq) ABC.LinkAddedReq ( )]]
«OutEvent» [[PATH_ABC(LinkAddedReqLinkAddedReq) ABC.LinkAddedReq ( )]]
__
«OutEvent» [[PATH_ABC(LinkAddedReqLinkAddedReq) ABC.LinkAddedReq ( )]]
«OutEvent» [[PATH_ABC(LinkAddedReqLinkAddedReq) ABC.LinkAddedReq ( )]]
«OutEvent» [[PATH_ABC(LinkAddedReqLinkAddedReq) ABC.LinkAddedReq ( )]]
«OutEvent» [[PATH_ABC(LinkAddedReqLinkAddedReq) ABC.LinkAddedReq ( )]]
«OutEvent» [[PATH_ABC(LinkAddedReqLinkAddedReq) ABC.LinkAddedReq ( )]]
}
@enduml
Note - It looks fine in old versions of chrome(83.0.4103.116, 87.0.4280.66, ...), this problem occurs only in latest version .And the plantuml version we are using is 1.2020.02