src/tools/clippy/src/docs/writeln_empty_string.txt


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### What it does
This lint warns when you use `writeln!(buf, "")` to
print a newline.

### Why is this bad?
You should use `writeln!(buf)`, which is simpler.

### Example
```
writeln!(buf, "");
```

Use instead:
```
writeln!(buf);
```