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# selector-descendant-combinator-no-non-space
Disallow non-space characters for descendant combinators of selectors.
```css
.foo .bar .baz {}
/** ↑ ↑
* These descendant combinators */
```
This rule ensures that only a single space is used and ensures no tabs, newlines, nor multiple spaces are used for descendant combinators of selectors.
The `--fix` option on the [command line](../../../docs/user-guide/cli.md#autofixing-errors) can automatically fix most of the problems reported by this rule.
## Options
### `true`
The following patterns are considered violations:
```css
.foo .bar {}
```
```css
.foo
.bar {}
```
The following patterns are *not* considered violations:
```css
.foo .bar {}
```