From 959f867eadec99eafefacfb3e4c3e2f6c428df11 Mon Sep 17 00:00:00 2001
From: Cyperghost <olaf_schmitz_1@t-online.de>
Date: Thu, 22 Feb 2024 12:16:00 +0100
Subject: [PATCH] Add a whitespace before and after each `<wcfNode-*>`.

---
 .../node/HtmlOutputNodeProcessor.class.php       | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/wcfsetup/install/files/lib/system/html/output/node/HtmlOutputNodeProcessor.class.php b/wcfsetup/install/files/lib/system/html/output/node/HtmlOutputNodeProcessor.class.php
index 1009f83048..19e2ec98a8 100644
--- a/wcfsetup/install/files/lib/system/html/output/node/HtmlOutputNodeProcessor.class.php
+++ b/wcfsetup/install/files/lib/system/html/output/node/HtmlOutputNodeProcessor.class.php
@@ -134,6 +134,22 @@ class HtmlOutputNodeProcessor extends AbstractHtmlNodeProcessor
 
                 DOMUtil::removeNode($paragraph, true);
             }
+            // Add a whitespace before and after each `<wcfNode-*>`.
+            // This is necessary to avoid concatenation with neighbouring text.
+            foreach ($this->getXPath()->query('//*') as $childNode) {
+                if (!\str_starts_with($childNode->nodeName, 'wcfNode-')) {
+                    continue;
+                }
+
+                $childNode->parentNode->insertBefore(
+                    $this->getDocument()->createTextNode(" "),
+                    $childNode
+                );
+                $childNode->parentNode->insertBefore(
+                    $this->getDocument()->createTextNode(" "),
+                    $childNode->nextSibling
+                );
+            }
 
             if ($this->outputType === 'text/plain') {
                 // remove all `\n` first
-- 
2.20.1