From 928ed2ba574e7ff7301f13e23993a21267a75ef7 Mon Sep 17 00:00:00 2001
From: Matthias Schmidt <gravatronics@live.com>
Date: Wed, 17 Oct 2018 19:31:46 +0200
Subject: [PATCH] Add support for writing comments in `wcf\util\XML`

---
 wcfsetup/install/files/lib/util/XML.class.php       |  3 +++
 wcfsetup/install/files/lib/util/XMLWriter.class.php | 10 ++++++++++
 2 files changed, 13 insertions(+)

diff --git a/wcfsetup/install/files/lib/util/XML.class.php b/wcfsetup/install/files/lib/util/XML.class.php
index ddaf98001f..2557085fb4 100644
--- a/wcfsetup/install/files/lib/util/XML.class.php
+++ b/wcfsetup/install/files/lib/util/XML.class.php
@@ -256,6 +256,9 @@ class XML {
 				if ($childNode instanceof \DOMElement) {
 					$this->writeElement($writer, $childNode, $cdata);
 				}
+				else if ($childNode instanceof \DOMComment) {
+					$writer->writeComment($childNode->nodeValue);
+				}
 			}
 			$writer->endElement();
 		}
diff --git a/wcfsetup/install/files/lib/util/XMLWriter.class.php b/wcfsetup/install/files/lib/util/XMLWriter.class.php
index 9450d5cf38..1a9f738250 100644
--- a/wcfsetup/install/files/lib/util/XMLWriter.class.php
+++ b/wcfsetup/install/files/lib/util/XMLWriter.class.php
@@ -149,6 +149,16 @@ class XMLWriter {
 		$this->endElement();
 	}
 	
+	/**
+	 * Writes a comment.
+	 * 
+	 * @param	string		$comment
+	 * @since	3.2
+	 */
+	public function writeComment($comment) {
+		$this->xml->writeComment($comment);
+	}
+	
 	/**
 	 * Writes an attribute to last opened element.
 	 * 
-- 
2.20.1