diff --git a/doc/scripts/wikiparser.py b/doc/scripts/wikiparser.py
index 8b68e7230..3f71519d7 100644
--- a/doc/scripts/wikiparser.py
+++ b/doc/scripts/wikiparser.py
@@ -3,11 +3,11 @@
 MoinMoin wiki parser
 """
 
+import logging
+import re
 from enum import Enum
 from pathlib import Path
 from xml.sax.saxutils import escape
-import logging
-import re
 
 ICONS_DIR = 'icons'
 
@@ -1216,6 +1216,12 @@ PlainText('dialog.')])])])]
         if line.strip().startswith('##'):
             continue
 
+        # Processing instructions, not rendered
+        if line.strip() and \
+           line.strip().split()[0] in ('#format', '#redirect', '#refresh',
+                                       '#pragma', '#deprecated', '#language'):
+            continue
+
         # Table of Contents
         match = re.match(r'<<TableOfContents\((\d*)\)>>', line)
         if match: