Declared the HtmlBuilder protected to allow sub class usage.

Author: Martin Brecht-Precht

src/Handler/HtmlHandler.php

@@ -42,7 +42,7 @@ class HtmlHandler implements HandlerInterface
 	/**
 	 * @var StringBuilder
 	 */
-	private $htmlBuilder;
+	protected $htmlBuilder;
 
 	/**
 	 * @var Stack
@@ -133,14 +133,6 @@ public function setBreakSoftBreaks(bool $breakSoftBreaks)
 		return $this;
 	}
 
-	/**
-	 * @return StringBuilder
-	 */
-	public function getHtmlBuilder(): StringBuilder
-	{
-		return $this->htmlBuilder;
-	}
-
 	/**
 	 * @return Stack
 	 */