symfony
diff --git a/‎src/Symfony/Component/Routing/CHANGELOG.md
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diff --git a/‎src/Symfony/Component/Routing/Generator/UrlGenerator.php
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diff --git a/‎src/Symfony/Component/Routing/Tests/Generator/UrlGeneratorTest.php
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+6Lines changed: 6 additions & 0 deletions b/‎src/Symfony/Component/Routing/Tests/Generator/UrlGeneratorTest.php
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@@ -1,6 +1,11 @@
 CHANGELOG
 =========
 
+5.3.0
+-----
+
+ * already encoded slashes are not decoded nor double-encoded anymore when generating URLs
+
 5.2.0
 -----
 
 
@@ -66,6 +66,7 @@ class UrlGenerator implements UrlGeneratorInterface, ConfigurableRequirementsInt
         // some webservers don't allow the slash in encoded form in the path for security reasons anyway
         // see http://stackoverflow.com/questions/4069002/http-400-if-2f-part-of-get-url-in-jboss
         '%2F' => '/',
+        '%252F' => '%2F',
         // the following chars are general delimiters in the URI specification but have only special meaning in the authority component
         // so they can safely be used in the path in unencoded form
         '%40' => '@',
 
@@ -467,6 +467,12 @@ public function testEncodingOfRelativePathSegments()
         $this->assertSame('/app.php/a./.a/a../..a/...', $this->getGenerator($routes)->generate('test'));
     }
 
+    public function testEncodingOfSlashInPath()
+    {
+        $routes = $this->getRoutes('test', new Route('/dir/{path}/dir2', [], ['path' => '.+']));
+        $this->assertSame('/app.php/dir/foo/bar%2Fbaz/dir2', $this->getGenerator($routes)->generate('test', ['path' => 'foo/bar%2Fbaz']));
+    }
+
     public function testAdjacentVariables()
     {
         $routes = $this->getRoutes('test', new Route('/{x}{y}{z}.{_format}', ['z' => 'default-z', '_format' => 'html'], ['y' => '\d+']));
Original file line number	Diff line number	Diff line change
`@@ -467,6 +467,12 @@ public function testEncodingOfRelativePathSegments()`
`467`	`467`	`$this->assertSame('/app.php/a./.a/a../..a/...', $this->getGenerator($routes)->generate('test'));`
`468`	`468`	`}`
`469`	`469`
	`470`	`+ public function testEncodingOfSlashInPath()`
	`471`	`+ {`
	`472`	`+ $routes = $this->getRoutes('test', new Route('/dir/{path}/dir2', [], ['path' => '.+']));`
	`473`	`+ $this->assertSame('/app.php/dir/foo/bar%2Fbaz/dir2', $this->getGenerator($routes)->generate('test', ['path' => 'foo/bar%2Fbaz']));`
	`474`	`+ }`
	`475`	`+`
`470`	`476`	`public function testAdjacentVariables()`
`471`	`477`	`{`
`472`	`478`	`$routes = $this->getRoutes('test', new Route('/{x}{y}{z}.{_format}', ['z' => 'default-z', '_format' => 'html'], ['y' => '\d+']));`