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Fix interpolated selector :extend example #638

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Fix interpolated selector :extend example #638

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14 changes: 10 additions & 4 deletions content/features/extend.md
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Expand Up @@ -333,24 +333,30 @@ Both of the above examples compile into:
}
```

However, `:extend` attached to an interpolated selector works:
However, `:extend` can be attached to an interpolated selector using the nested `&:extend` form:

```less
.bucket {
color: blue;
}
@{variable}:extend(.bucket) {}
@{variable} {
&:extend(.bucket);
}
@variable: .selector;
```

compiles to:

```less
.bucket, .selector {
```css
.bucket,
.selector {
color: blue;
}
```

> Note: `@{variable}:extend(.bucket) {}` does not currently extend the interpolated selector. Use the nested `&:extend` form shown above.


### Scoping / Extend Inside @media

Currently, an `:extend` inside a `@media` declaration will only match selectors inside the same media declaration:
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