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#### 5.5.5 Using flexes

But the ``text`' keyword can do more. When you include the keywords ``along declination`' the label becomes a flex. This is printed along a declination circle as a curved text. It's especially nice for constellation names. So let's try it out:

```     text "\\bfseries Swan" at 20.05 49.8 along declination towards SW ;
```

This ``\\bfseries`' tells the typesetter to print it in bold face, see LaTeX in labels. The result is the following: