list all-lang articles in DE page, but only EN in EN page

pelicanconf.py

@@ -94,6 +94,8 @@ I18N_SUBSITES = {
         (_LOC := 'en'): {
             'OG_LOCALE': "en",
             'LOCALE': ("en_GB", "en_GB.utf8"),
+            # override default and hide untranslated articles
+            'I18N_UNTRANSLATED_ARTICLES': 'hide',
 
             # translation of strings, menu, titles
             'SITENAME': "Schmittlauch's Blog & Homepage",
@@ -115,6 +117,8 @@ I18N_SUBSITES = {
                 ),
             }
         }
+# idea: almost everyone understanding also understands English,
+# so keep English-only posts in the German page
 I18N_UNTRANSLATED_ARTICLES = 'keep'
 
 # Theming, templates, and specific configs