Merge pull request #2 from larowlan/patch-2

Add comment as requested - see comment for stof
symfony · Jan 6, 2015 · afe827a · afe827a
2 parents 1e0633e + a0ec0fe
commit afe827a
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/src/Symfony/Component/Yaml/Escaper.php b/src/Symfony/Component/Yaml/Escaper.php
@@ -108,6 +108,8 @@ private static function containsCharRequiresSingleQuoting($value)
      */
     private static function isValueRequiresSingleQuoting($value)
     {
+        // Note that whilst 'y' and 'n' are not supported as valid Booleans,
+        // they are escaped here for interoperability.
         return in_array(strtolower($value), array('null', '~', 'true', 'false', 'y', 'n', 'yes', 'no', 'on', 'off'));
     }
 }