Fix PHP warnings and change from xhtml to html

2025-09-17 15:29:36 +02:00 · 2025-09-17 15:29:36 +02:00 · 2025-05-03 16:59:51 +02:00 · 2025-05-03 16:59:51 +02:00
diff --git a/Lorenz Stechauner b/Lorenz Stechauner