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Re:Mermaid: Generate Diagrams and Flowcharts with Markdown L... by sverweij on Thursday January 05, 2017 @05:24PM (#13332004)
Use '\n' for line breaks, like so:

a => b [label="POST /echo\nHello, it's me"];

(You might like https://mscgen.js.org b.t.w.)

Re:Mermaid: Generate Diagrams and Flowcharts with Markdown L... by maffydub on Friday January 06, 2017 @08:06AM (#13335943)
Sorry, I meant I couldn't find a way to do the same thing as that in Mermaid - I realize my message wasn't very clear, but thanks for replying!