Mermaid test

graph LR
    Flag[Flag issue]
    Block[Move to blocked]

    S1>You found a bug]
    S2>You found an improvement] --> C4

    S1 --> C1{Prevents normal use?}
    C1 --> |Yes| Flag
    C1 --> |No| C2{Cause data corruption?}
    C2 --> |Yes| Flag
    C2 --> |No| C3{Regression?}
    C3 --> |No| Block
    C3 --> |Yes| C4{Is worth fixing}
    C4 --> |No| Block
    C4 --> |Yes| Flag