Added comments and tests for wr on traverser.

1 files changed, 9 insertions, 0 deletions

diff --git a/src/HTML5/Serializer/Traverser.php b/src/HTML5/Serializer/Traverser.php
index c13d447..5648dd1 100644
--- a/src/HTML5/Serializer/Traverser.php
+++ b/src/HTML5/Serializer/Traverser.php
@@ -222,6 +222,15 @@ class Traverser {
     $this->wr('</')->wr($ele->tagName)->wr('>');
   }
 
+  /**
+   * Write to the output.
+   *
+   * @param string $text
+   *   The string to put into the output.
+   *
+   * @return HTML5\Serializer\Traverser
+   *   $this so it can be used in chaining.
+   */
   protected function wr($text) {
     fwrite($this->out, $text);
     return $this;