Hello B.,
Yes there is an issue near:
a -->> b: deliver\n.. Detailed sequence ..\n{{\n!include delivery_seq.iuml\n}}\n
-> @PlantUML team, an idea ?
A possible workaround is to proceed with procedure, as:
@startuml
!procedure $my_include($f)
!include $f
!end procedure
component "a" {
}
component "b" {
}
a -->> b: deliver\n.. Detailed sequence ..\n{{\n$my_include("delivery_seq.iuml")\n}}\n
@enduml
If that can help,
Regards,
Th.