There needs to be some way of sharing diagrams, but hopefully not as screenshots? Maybe more like a higher-level SVG, where there is text and you can look at it, but it’s not the preferred way of viewing it. It would need to be easy to embed these diagrams in other documents, which suggests a standard format and viewers readily available, for browsers and editors at least.
Support for embedding such things in another language (Like we do with SQL and regular expressions) would be important, too.
That might be a place to start. Can we replace regular expressions with a visual language? What would it take to have “railroad diagrams” widely available in at least one programming language and many editors?
