sequenceDiagram
Alice->>Bob: Extremely utterly long line of longness which had previously overflown the actor box as it is much longer than what it should be
loop Loopy
Bob->>Alice: Pasten
end
sequenceDiagram
participant Alice
participant Bob
participant John as John
Second Line
Alice ->> Bob: Hello Bob, how are you?
Bob-->>John: How about you John?
Bob--x Alice: I am good thanks!
Bob-x John: I am good thanks!
Note right of John: Bob thinks a long
long time, so long
that the text does
not fit on a row.
Bob-->Alice: Checking with John...
alt either this
Alice->>John: Yes
else or this
Alice->>John: No
else or this will happen
Alice->John: Maybe
end
par this happens in parallel
Alice -->> Bob: Parallel message 1
and
Alice -->> John: Parallel message 2
end