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docs(classDiagram): Clarify annotation syntax and recommend inline style (#6538)

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nour kouider
2025-04-28 10:27:06 +01:00
parent 908043183e
commit f8c54317c5
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docs/syntax/classDiagram.md
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@@ -545,6 +545,38 @@ It is possible to annotate classes with markers to provide additional metadata a
Annotations are defined within the opening `<<` and closing `>>`. There are two ways to add an annotation to a class, and either way the output will be same:
> **Tip:**\
> In Mermaid class diagrams, annotations like `<<interface>>` can be attached in two ways:
>
> - **Inline with the class definition** (Recommended for consistency):
>
> ```mermaid-example
> classDiagram
> class Shape <<interface>>
> ```
>
> ```mermaid
> classDiagram
> class Shape <<interface>>
> ```
>
> - **Separate line after the class definition**:
>
> ```mermaid-example
> classDiagram
> class Shape
> <<interface>> Shape
> ```
>
> ```mermaid
> classDiagram
> class Shape
> <<interface>> Shape
> ```
>
> Both methods are fully supported and produce identical diagrams.\
> However, it is recommended to use the **inline style** for better readability and consistent formatting across diagrams.
- In a **_separate line_** after a class is defined:
```mermaid-example