Can't parse named diagrams

Describe the bug PUML diagrams can have names which comes right after the start directive.

Currently the tool breaks when passing such diagrams.

To Reproduce

1. try to parse or parseFile a named diagram
2. See error:

return new peg$SyntaxError(
           ^
SyntaxError: Expected "(", "\n", "\r\n", or [ \t] but "n" found.

PlantUML

@startuml name
  class A
  class B
  A --|> B
@enduml

Expected behavior Tool should parse normally.

Screenshots N/A

Desktop (please complete the following information):

• OS: Mac OS Mojave
• node
• v12

Smartphone (please complete the following information): N/A

Additional context N/A

[Enteee]

Asked in the forum if this should be considered valid syntax: https://forum.plantuml.net/10366/are-diagram-names-a-supported-feature

[The-Lum]

Hello all,

Same answer as on https://github.com/qjebbs/vscode-plantuml/issues/393#issuecomment-887699255

FYI: it is quickly defined here:

• https://plantuml.com/sources

See also:

• https://forum.plantuml.net/8202/how-to-define-output-filename
• https://forum.plantuml.net/5483/please-specify-filename-@startuml-extension-automatically

And FYI, all those sources are valids:

@startuml BobAndAlice
Bob -> Alice : hello
@enduml

@startuml BAndA.png
B -> A : hello
@enduml

@startuml{myotherimage.png}
a->b
@enduml

@startuml{myotherimage.png,This is my other caption text,width=16cm}
b->a
@enduml

Ref. :

• https://forum.plantuml.net/5483/please-specify-filename-@startuml-extension-automatically
• https://forum.plantuml.net/1466

Regards.