Merge branch '2.8' into 3.2

* 2.8:
  [Yaml] Fix the tests
  [github] Add a reminder about CHANGELOG.md files

Author: nicolas-grekas

Tests/DumperTest.php

@@ -258,23 +258,25 @@ public function testEscapedEscapeSequencesInQuotedScalar($input, $expected)
     public function getEscapeSequences()
     {
         return array(
-            'null' => array("\t\\0", '"\t\\\\0"'),
-            'bell' => array("\t\\a", '"\t\\\\a"'),
-            'backspace' => array("\t\\b", '"\t\\\\b"'),
-            'horizontal-tab' => array("\t\\t", '"\t\\\\t"'),
-            'line-feed' => array("\t\\n", '"\t\\\\n"'),
-            'vertical-tab' => array("\t\\v", '"\t\\\\v"'),
-            'form-feed' => array("\t\\f", '"\t\\\\f"'),
-            'carriage-return' => array("\t\\r", '"\t\\\\r"'),
-            'escape' => array("\t\\e", '"\t\\\\e"'),
-            'space' => array("\t\\ ", '"\t\\\\ "'),
-            'double-quote' => array("\t\\\"", '"\t\\\\\\""'),
-            'slash' => array("\t\\/", '"\t\\\\/"'),
-            'backslash' => array("\t\\\\", '"\t\\\\\\\\"'),
-            'next-line' => array("\t\\N", '"\t\\\\N"'),
-            'non-breaking-space' => array("\t\\�", '"\t\\\\�"'),
-            'line-separator' => array("\t\\L", '"\t\\\\L"'),
-            'paragraph-separator' => array("\t\\P", '"\t\\\\P"'),
+            'empty string' => array('', "''"),
+            'null' => array("\x0", '"\\0"'),
+            'bell' => array("\x7", '"\\a"'),
+            'backspace' => array("\x8", '"\\b"'),
+            'horizontal-tab' => array("\t", '"\\t"'),
+            'line-feed' => array("\n", '"\\n"'),
+            'vertical-tab' => array("\v", '"\\v"'),
+            'form-feed' => array("\xC", '"\\f"'),
+            'carriage-return' => array("\r", '"\\r"'),
+            'escape' => array("\x1B", '"\\e"'),
+            'space' => array(' ', "' '"),
+            'double-quote' => array('"', "'\"'"),
+            'slash' => array('/', '/'),
+            'backslash' => array('\\', '\\'),
+            'next-line' => array("\xC2\x85", '"\\N"'),
+            'non-breaking-space' => array("\xc2\xa0", '"\\_"'),
+            'line-separator' => array("\xE2\x80\xA8", '"\\L"'),
+            'paragraph-separator' => array("\xE2\x80\xA9", '"\\P"'),
+            'colon' => array(':', "':'"),
         );
     }