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Editorial Team
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Asked: 2026-05-13T16:45:17+00:00

Take a look at this; it’s very obvious how it works and what its

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Take a look at this; it’s very obvious how it works and what its purpose is:

alt text
(source: json.org)

  1. What’s this type of chart called?
  2. Can I make this kind of chart in Visio?
  3. What software do you recommend for making this kind of chart?
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1 Answer

  1. Editorial Team

    It’s called a railroad diagram. It can more specifically be called a syntax diagram. Not sure about Visio support but other tools can get the job done: What is a good tool for creating railroad diagrams?

    alt text
    (source: antlr.org)

    If you have a grammar file you can try to get it working in ANTLR Works, which is specifically built for working with the syntax and grammar of languages.

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