Mermaid in asciidoc using the standard [mermaid] block

[davinkevin]

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Hello 👋

This issue is related to asciidoctor/asciidoctor-intellij-plugin#1463.

In GitHub, if we want to read, in the online file viewer, an asciidoc file, we have to use the [source, mermaid] block.
However, in other popular tools (IntelliJ, GitLab…), the block to declare a diagram is just [mermaid].

Would it be possible to match the same as IntelliJ because we currently have to choose between rendering in the UI or in our IDEA, which is a bit painful 😅.

Thank you

Kevin

[gesinn-it-gea]

Same here. Would be awesome if GH could support both syntax variants.

[ahus1]

The standard in the AsciiDoc ecosystem for diagrams is the asciidoctor-diagram which provides for each diagram type a block as described above.

The [source] block is limited to printing source code in the output, and it is defined in the AsciiDoc docs as such.

Due to that, the behavior GitHub shows here is very atypical to the AsciiDoc ecosystem.