From 728f8c7d123a34f1126ea9e0436683f2de7edadf Mon Sep 17 00:00:00 2001
From: Alexander Ebert <ebert@woltlab.com>
Date: Wed, 16 Nov 2016 15:30:50 +0100
Subject: [PATCH] Strip dummy paragraphs

---
 .../html/input/node/HtmlInputNodeProcessor.class.php      | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/wcfsetup/install/files/lib/system/html/input/node/HtmlInputNodeProcessor.class.php b/wcfsetup/install/files/lib/system/html/input/node/HtmlInputNodeProcessor.class.php
index 55d4880fc0..34bb064d41 100644
--- a/wcfsetup/install/files/lib/system/html/input/node/HtmlInputNodeProcessor.class.php
+++ b/wcfsetup/install/files/lib/system/html/input/node/HtmlInputNodeProcessor.class.php
@@ -239,6 +239,14 @@ class HtmlInputNodeProcessor extends AbstractHtmlNodeProcessor {
 			}
 		}
 		
+		// strip empty <p></p> (zero content, not even whitespaces)
+		$paragraphs = DOMUtil::getElements($this->getDocument(), 'p');
+		foreach ($paragraphs as $paragraph) {
+			if ($paragraph->childNodes->length === 0) {
+				DOMUtil::removeNode($paragraph);
+			}
+		}
+		
 		// trim <p>...</p>
 		/** @var \DOMElement $paragraph */
 		foreach ($this->getDocument()->getElementsByTagName('p') as $paragraph) {
-- 
2.20.1