---
source: crates/biome_formatter_test/src/snapshot_builder.rs
info: css/atrule/namespaces.css
---

# Input

```css
@namespace toto "http://toto.example.org";
@namespace toto url("http://toto.example.org");
@namespace toto "http://toto.example.org" ;
@namespace  toto  "http://toto.example.org"  ;
@namespace
toto
"http://toto.example.org"
;
@namespace

toto

"http://toto.example.org"

;
@namespace very-very-very-very-very-very-very-very-very-very-very-very-very-very-long-namespace "http://toto.example.org";
@namespace
very-very-very-very-very-very-very-very-very-very-very-very-very-very-long-namespace
"http://toto.example.org"
;
@namespace

very-very-very-very-very-very-very-very-very-very-very-very-very-very-long-namespace

"http://toto.example.org"

;
@namespace "http://example.com/foo";
@namespace url("http://example.com/foo");
@namespace url("http://example.com/foo") ;
@namespace  url("http://example.com/foo")  ;
@namespace
url("http://example.com/foo");
@namespace

url("http://example.com/foo");
@namespace url("http://example.com/foo/very/very/very/very/very/very/very/very/very/very/very/very/very/very");
@namespace
url("http://example.com/foo/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very");
@namespace

url("http://example.com/foo/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very");

```


# Prettier differences

```diff
--- Prettier
+++ Biome
@@ -1,18 +1,42 @@
 @namespace toto "http://toto.example.org";
 @namespace toto url("http://toto.example.org");
-@namespace toto "http://toto.example.org";
-@namespace toto "http://toto.example.org";
-@namespace toto "http://toto.example.org";
-@namespace toto "http://toto.example.org";
+@namespace toto "http://toto.example.org" ;
+@namespace  toto  "http://toto.example.org"  ;
+@namespace
+toto
+"http://toto.example.org"
+;
+@namespace
+
+toto
+
+"http://toto.example.org"
+
+;
 @namespace very-very-very-very-very-very-very-very-very-very-very-very-very-very-long-namespace "http://toto.example.org";
-@namespace very-very-very-very-very-very-very-very-very-very-very-very-very-very-long-namespace "http://toto.example.org";
-@namespace very-very-very-very-very-very-very-very-very-very-very-very-very-very-long-namespace "http://toto.example.org";
+@namespace
+very-very-very-very-very-very-very-very-very-very-very-very-very-very-long-namespace
+"http://toto.example.org"
+;
+@namespace
+
+very-very-very-very-very-very-very-very-very-very-very-very-very-very-long-namespace
+
+"http://toto.example.org"
+
+;
 @namespace "http://example.com/foo";
 @namespace url("http://example.com/foo");
-@namespace url("http://example.com/foo");
-@namespace url("http://example.com/foo");
-@namespace url("http://example.com/foo");
-@namespace url("http://example.com/foo");
+@namespace url("http://example.com/foo") ;
+@namespace  url("http://example.com/foo")  ;
+@namespace
+url("http://example.com/foo");
+@namespace
+
+url("http://example.com/foo");
 @namespace url("http://example.com/foo/very/very/very/very/very/very/very/very/very/very/very/very/very/very");
-@namespace url("http://example.com/foo/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very");
-@namespace url("http://example.com/foo/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very");
+@namespace
+url("http://example.com/foo/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very");
+@namespace
+
+url("http://example.com/foo/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very");
```

# Output

```css
@namespace toto "http://toto.example.org";
@namespace toto url("http://toto.example.org");
@namespace toto "http://toto.example.org" ;
@namespace  toto  "http://toto.example.org"  ;
@namespace
toto
"http://toto.example.org"
;
@namespace

toto

"http://toto.example.org"

;
@namespace very-very-very-very-very-very-very-very-very-very-very-very-very-very-long-namespace "http://toto.example.org";
@namespace
very-very-very-very-very-very-very-very-very-very-very-very-very-very-long-namespace
"http://toto.example.org"
;
@namespace

very-very-very-very-very-very-very-very-very-very-very-very-very-very-long-namespace

"http://toto.example.org"

;
@namespace "http://example.com/foo";
@namespace url("http://example.com/foo");
@namespace url("http://example.com/foo") ;
@namespace  url("http://example.com/foo")  ;
@namespace
url("http://example.com/foo");
@namespace

url("http://example.com/foo");
@namespace url("http://example.com/foo/very/very/very/very/very/very/very/very/very/very/very/very/very/very");
@namespace
url("http://example.com/foo/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very");
@namespace

url("http://example.com/foo/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very");
```

# Lines exceeding max width of 80 characters
```
   16: @namespace very-very-very-very-very-very-very-very-very-very-very-very-very-very-long-namespace "http://toto.example.org";
   18: very-very-very-very-very-very-very-very-very-very-very-very-very-very-long-namespace
   23: very-very-very-very-very-very-very-very-very-very-very-very-very-very-long-namespace
   37: @namespace url("http://example.com/foo/very/very/very/very/very/very/very/very/very/very/very/very/very/very");
   39: url("http://example.com/foo/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very");
   42: url("http://example.com/foo/very/very/very/very/very/very/very/very/very/very/very/very/very/very/very");
```