From c0c7f8fcc18c6e17d300468680d3ee648563df1f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Sandro=20J=C3=A4ckel?= <sandro.jaeckel@gmail.com>
Date: Sun, 18 Jun 2023 14:52:46 +0200
Subject: [PATCH] Fix reference to none existing stylesheet

---
 content/news/20150825-spendenaufruf.xml                         | 2 +-
 content/news/20160106-c3d2-as-onionservice.xml                  | 2 +-
 content/news/ds14-stilbruch.xml                                 | 2 +-
 content/news/event-20140311-cacert-assurance.xml                | 2 +-
 content/news/event-20140408-cacert-assurance.xml                | 2 +-
 content/news/event-20140513-cacert-assurance.xml                | 2 +-
 content/news/event-20140610-cacert-assurance.xml                | 2 +-
 content/news/event-20140708-cacert-assurance.xml                | 2 +-
 content/news/event-20140709-workshop-demail.xml                 | 2 +-
 content/news/event-20140812-cacert-assurance.xml                | 2 +-
 content/news/event-20141014-cacert-assurance.xml                | 2 +-
 content/news/event-20141202-bsd.xml                             | 2 +-
 content/news/event-20150106-bsd.xml                             | 2 +-
 content/news/event-20150113-cacert-assurance.xml                | 2 +-
 content/news/event-20150203-bsd.xml                             | 2 +-
 content/news/event-20150210-cacert-assurance.xml                | 2 +-
 content/news/event-20150414-cacert-assurance.xml                | 2 +-
 content/news/event-20150425-debian-jessie-release.xml           | 2 +-
 content/news/event-20150512-cacert-assurance.xml                | 2 +-
 content/news/event-20150512-cms-treffen.xml                     | 2 +-
 content/news/event-20150804-bsd.xml                             | 2 +-
 .../event-20150806-vorstandssitzung-bundesverband-bitcoin.xml   | 2 +-
 content/news/event-20151103-bsd.xml                             | 2 +-
 content/news/event-20151201-bsd.xml                             | 2 +-
 content/news/event-20160114-desktop-hacken.xml                  | 2 +-
 content/news/event-20160301-bsd.xml                             | 2 +-
 content/news/event-20160405-bsd.xml                             | 2 +-
 content/news/event-20161007-12.das-ist-np.xml                   | 2 +-
 content/news/event-20170404-bsd.xml                             | 2 +-
 content/news/event-freifunk-20140810.xml                        | 2 +-
 content/news/knobguessinggame-20230622.xml                      | 2 +-
 content/news/telefon_defekt.xml                                 | 2 +-
 content/news/telefon_defekt_update.xml                          | 2 +-
 33 files changed, 33 insertions(+), 33 deletions(-)

diff --git a/content/news/20150825-spendenaufruf.xml b/content/news/20150825-spendenaufruf.xml
index 7a20627df..bbdd87653 100644
--- a/content/news/20150825-spendenaufruf.xml
+++ b/content/news/20150825-spendenaufruf.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE item SYSTEM "http://www.c3d2.de/dtd/c3d2web.dtd">
-<?xml-stylesheet type="text/xsl" href="../../xsl/html5.xsl" ?>
+<?xml-stylesheet type="text/xsl" href="../../xsl/xhtml5.xsl" ?>
 <item title="Spendenaufruf" date="2015-08-25T00:10:39" author="john">
   <image title="Unser Hackerspace">gchq-hdr.jpg</image>
   <p>
diff --git a/content/news/20160106-c3d2-as-onionservice.xml b/content/news/20160106-c3d2-as-onionservice.xml
index c41752463..074ee2786 100644
--- a/content/news/20160106-c3d2-as-onionservice.xml
+++ b/content/news/20160106-c3d2-as-onionservice.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE item SYSTEM "http://www.c3d2.de/dtd/c3d2web.dtd">
-<?xml-stylesheet type="text/xsl" href="../../xsl/html5.xsl" ?>
+<?xml-stylesheet type="text/xsl" href="../../xsl/xhtml5.xsl" ?>
 <item title="c3d2.de as a Onion Service" date="2016-01-06T23:05:42" author="vv01f">
 	<image title="Onion Service">onion.png</image>
 	<p>
diff --git a/content/news/ds14-stilbruch.xml b/content/news/ds14-stilbruch.xml
index 96a84f046..3b0d1029e 100644
--- a/content/news/ds14-stilbruch.xml
+++ b/content/news/ds14-stilbruch.xml
@@ -1,5 +1,5 @@
 <!DOCTYPE item SYSTEM "http://www.c3d2.de/dtd/c3d2web.dtd">
-<?xml-stylesheet type="text/xsl" href="../../xsl/html5.xsl" ?>
+<?xml-stylesheet type="text/xsl" href="../../xsl/xhtml5.xsl" ?>
 
 <item title="Stilbruch - Datenspuren 2014 - überwacht und zugenäht, reboot the nets - 11. Symposium Datenspuren"
     date="2014-08-21T17:23:42"
diff --git a/content/news/event-20140311-cacert-assurance.xml b/content/news/event-20140311-cacert-assurance.xml
index cd883ca8d..d64fceb1a 100644
--- a/content/news/event-20140311-cacert-assurance.xml
+++ b/content/news/event-20140311-cacert-assurance.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE item SYSTEM "http://www.c3d2.de/dtd/c3d2web.dtd">
-<?xml-stylesheet type="text/xsl" href="../../xsl/html5.xsl" ?>
+<?xml-stylesheet type="text/xsl" href="../../xsl/xhtml5.xsl" ?>
 <item title="CAcert Assurance" date="2014-02-19T22:05:00" author="vv01f">
   <image title="cacert">cacert.png</image>
   <event>
diff --git a/content/news/event-20140408-cacert-assurance.xml b/content/news/event-20140408-cacert-assurance.xml
index 2ca86d969..9db54bce7 100644
--- a/content/news/event-20140408-cacert-assurance.xml
+++ b/content/news/event-20140408-cacert-assurance.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE item SYSTEM "http://www.c3d2.de/dtd/c3d2web.dtd">
-<?xml-stylesheet type="text/xsl" href="../../xsl/html5.xsl" ?>
+<?xml-stylesheet type="text/xsl" href="../../xsl/xhtml5.xsl" ?>
 <item title="CAcert Assurance" date="2014-03-27T17:12:00" author="vv01f">
   <image title="cacert">cacert.png</image>
   <event>
diff --git a/content/news/event-20140513-cacert-assurance.xml b/content/news/event-20140513-cacert-assurance.xml
index abc003c02..c2913b480 100644
--- a/content/news/event-20140513-cacert-assurance.xml
+++ b/content/news/event-20140513-cacert-assurance.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE item SYSTEM "http://www.c3d2.de/dtd/c3d2web.dtd">
-<?xml-stylesheet type="text/xsl" href="../../xsl/html5.xsl" ?>
+<?xml-stylesheet type="text/xsl" href="../../xsl/xhtml5.xsl" ?>
 <item title="CAcert Assurance" date="2014-04-13T00:42:23" author="vv01f">
   <image title="cacert">cacert.png</image>
   <event>
diff --git a/content/news/event-20140610-cacert-assurance.xml b/content/news/event-20140610-cacert-assurance.xml
index 5f693a1b1..1eff60fe7 100644
--- a/content/news/event-20140610-cacert-assurance.xml
+++ b/content/news/event-20140610-cacert-assurance.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE item SYSTEM "http://www.c3d2.de/dtd/c3d2web.dtd">
-<?xml-stylesheet type="text/xsl" href="../../xsl/html5.xsl" ?>
+<?xml-stylesheet type="text/xsl" href="../../xsl/xhtml5.xsl" ?>
 <item title="CAcert Assurance" date="2014-05-30T21:42:23" author="vv01f">
   <image title="cacert">cacert.png</image>
   <event>
diff --git a/content/news/event-20140708-cacert-assurance.xml b/content/news/event-20140708-cacert-assurance.xml
index 4f2c05f6a..cba9b61d7 100644
--- a/content/news/event-20140708-cacert-assurance.xml
+++ b/content/news/event-20140708-cacert-assurance.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE item SYSTEM "http://www.c3d2.de/dtd/c3d2web.dtd">
-<?xml-stylesheet type="text/xsl" href="../../xsl/html5.xsl" ?>
+<?xml-stylesheet type="text/xsl" href="../../xsl/xhtml5.xsl" ?>
 <item title="CAcert Assurance" date="2014-06-16T12:59:23" author="vv01f">
   <image title="cacert">cacert.png</image>
   <event>
diff --git a/content/news/event-20140709-workshop-demail.xml b/content/news/event-20140709-workshop-demail.xml
index db2033e87..673ba3ec4 100644
--- a/content/news/event-20140709-workshop-demail.xml
+++ b/content/news/event-20140709-workshop-demail.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE item SYSTEM "http://www.c3d2.de/dtd/c3d2web.dtd">
-<?xml-stylesheet type="text/xsl" href="../../xsl/html5.xsl" ?>
+<?xml-stylesheet type="text/xsl" href="../../xsl/xhtml5.xsl" ?>
 <item title="Workshop De-Mail" date="2014-07-08T21:27:42" author="vv01f">
   <image title="No! De-Mail">no-de-mail.png</image>
   <event>
diff --git a/content/news/event-20140812-cacert-assurance.xml b/content/news/event-20140812-cacert-assurance.xml
index bd07594a7..818dadb54 100644
--- a/content/news/event-20140812-cacert-assurance.xml
+++ b/content/news/event-20140812-cacert-assurance.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE item SYSTEM "http://www.c3d2.de/dtd/c3d2web.dtd">
-<?xml-stylesheet type="text/xsl" href="../../xsl/html5.xsl" ?>
+<?xml-stylesheet type="text/xsl" href="../../xsl/xhtml5.xsl" ?>
 <item title="CAcert Assurance" date="2014-07-28T09:52:23" author="vv01f">
   <image title="cacert">cacert.png</image>
   <event>
diff --git a/content/news/event-20141014-cacert-assurance.xml b/content/news/event-20141014-cacert-assurance.xml
index 92bfb5d00..d4cbb5dfd 100644
--- a/content/news/event-20141014-cacert-assurance.xml
+++ b/content/news/event-20141014-cacert-assurance.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE item SYSTEM "http://www.c3d2.de/dtd/c3d2web.dtd">
-<?xml-stylesheet type="text/xsl" href="../../xsl/html5.xsl" ?>
+<?xml-stylesheet type="text/xsl" href="../../xsl/xhtml5.xsl" ?>
 <item title="CAcert Assurance" date="2014-09-26T11:57:23" author="vv01f">
   <image title="cacert">cacert.png</image>
   <event>
diff --git a/content/news/event-20141202-bsd.xml b/content/news/event-20141202-bsd.xml
index 33da6f5ac..b274c7c73 100644
--- a/content/news/event-20141202-bsd.xml
+++ b/content/news/event-20141202-bsd.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE item SYSTEM "http://www.c3d2.de/dtd/c3d2web.dtd">
-<?xml-stylesheet type="text/xsl" href="../../xsl/html5.xsl" ?>
+<?xml-stylesheet type="text/xsl" href="../../xsl/xhtml5.xsl" ?>
 <item title="BSDienstag - Berkeley System Dienstag" date="2014-11-29T19:22:23" author="eri!, PwnyTail">
   <image title='Daemon Hammer'>../daemon_hammer_240x360.jpg</image>
   <event>
diff --git a/content/news/event-20150106-bsd.xml b/content/news/event-20150106-bsd.xml
index bfb3b0fde..4ebd6d23a 100644
--- a/content/news/event-20150106-bsd.xml
+++ b/content/news/event-20150106-bsd.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE item SYSTEM "http://www.c3d2.de/dtd/c3d2web.dtd">
-<?xml-stylesheet type="text/xsl" href="../../xsl/html5.xsl" ?>
+<?xml-stylesheet type="text/xsl" href="../../xsl/xhtml5.xsl" ?>
 <item title="BSDienstag - Berkeley System Dienstag" date="2015-01-04T14:22:23" author="eri!, PwnyTail">
   <image title='Daemon Hammer'>../daemon_hammer_240x360.jpg</image>
   <event>
diff --git a/content/news/event-20150113-cacert-assurance.xml b/content/news/event-20150113-cacert-assurance.xml
index be88e40ba..73754df8b 100644
--- a/content/news/event-20150113-cacert-assurance.xml
+++ b/content/news/event-20150113-cacert-assurance.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE item SYSTEM "http://www.c3d2.de/dtd/c3d2web.dtd">
-<?xml-stylesheet type="text/xsl" href="../../xsl/html5.xsl" ?>
+<?xml-stylesheet type="text/xsl" href="../../xsl/xhtml5.xsl" ?>
 <item title="CAcert Assurance" date="2014-12-18T23:42:05" author="vv01f">
   <image title="cacert">cacert.png</image>
   <event>
diff --git a/content/news/event-20150203-bsd.xml b/content/news/event-20150203-bsd.xml
index f0e6b7718..aef22d3b1 100644
--- a/content/news/event-20150203-bsd.xml
+++ b/content/news/event-20150203-bsd.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE item SYSTEM "http://www.c3d2.de/dtd/c3d2web.dtd">
-<?xml-stylesheet type="text/xsl" href="../../xsl/html5.xsl" ?>
+<?xml-stylesheet type="text/xsl" href="../../xsl/xhtml5.xsl" ?>
 <item title="BSDienstag - Berkeley System Dienstag" date="2015-01-27T13:55:23" author="eri!, PwnyTail">
   <image title='Daemon Hammer'>../daemon_hammer_240x360.jpg</image>
   <event>
diff --git a/content/news/event-20150210-cacert-assurance.xml b/content/news/event-20150210-cacert-assurance.xml
index 009560223..f57e68b1e 100644
--- a/content/news/event-20150210-cacert-assurance.xml
+++ b/content/news/event-20150210-cacert-assurance.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE item SYSTEM "http://www.c3d2.de/dtd/c3d2web.dtd">
-<?xml-stylesheet type="text/xsl" href="../../xsl/html5.xsl" ?>
+<?xml-stylesheet type="text/xsl" href="../../xsl/xhtml5.xsl" ?>
 <item title="CAcert Assurance" date="2015-01-22T23:42:05" author="vv01f">
   <image title="cacert">cacert.png</image>
   <event>
diff --git a/content/news/event-20150414-cacert-assurance.xml b/content/news/event-20150414-cacert-assurance.xml
index ae812ef32..2a59eb482 100644
--- a/content/news/event-20150414-cacert-assurance.xml
+++ b/content/news/event-20150414-cacert-assurance.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE item SYSTEM "http://www.c3d2.de/dtd/c3d2web.dtd">
-<?xml-stylesheet type="text/xsl" href="../../xsl/html5.xsl" ?>
+<?xml-stylesheet type="text/xsl" href="../../xsl/xhtml5.xsl" ?>
 <item title="CAcert Assurance" date="2015-03-23T23:42:05" author="vv01f">
   <image title="cacert">cacert.png</image>
   <event>
diff --git a/content/news/event-20150425-debian-jessie-release.xml b/content/news/event-20150425-debian-jessie-release.xml
index 81f0e8e82..9c1ef5099 100644
--- a/content/news/event-20150425-debian-jessie-release.xml
+++ b/content/news/event-20150425-debian-jessie-release.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE item SYSTEM "http://www.c3d2.de/dtd/c3d2web.dtd">
-<?xml-stylesheet type="text/xsl" href="../../xsl/html5.xsl" ?>
+<?xml-stylesheet type="text/xsl" href="../../xsl/xhtml5.xsl" ?>
 <item title="Debian 8 (jessie) Release Party" date="2015-04-23T17:00:00" author="blastmaster">
   <image title="debian">debianlogo.png</image>
   <event>
diff --git a/content/news/event-20150512-cacert-assurance.xml b/content/news/event-20150512-cacert-assurance.xml
index a15171910..56f4078eb 100644
--- a/content/news/event-20150512-cacert-assurance.xml
+++ b/content/news/event-20150512-cacert-assurance.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE item SYSTEM "http://www.c3d2.de/dtd/c3d2web.dtd">
-<?xml-stylesheet type="text/xsl" href="../../xsl/html5.xsl" ?>
+<?xml-stylesheet type="text/xsl" href="../../xsl/xhtml5.xsl" ?>
 <item title="CAcert ATE" date="2015-04-27T23:42:05" author="vv01f">
   <image title="cacert">cacert.png</image><!-- todo ATE logo --> 
   <event>
diff --git a/content/news/event-20150512-cms-treffen.xml b/content/news/event-20150512-cms-treffen.xml
index 16edaa1ca..894b95aca 100644
--- a/content/news/event-20150512-cms-treffen.xml
+++ b/content/news/event-20150512-cms-treffen.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE item SYSTEM "http://www.c3d2.de/dtd/c3d2web.dtd">
-<?xml-stylesheet type="text/xsl" href="../../xsl/html5.xsl" ?>
+<?xml-stylesheet type="text/xsl" href="../../xsl/xhtml5.xsl" ?>
 <item title="CmS Einführungstreffen" date="2015-04-28T23:00:42" author="vv01f">
   <image title="cacert">cms-text.png</image>
   <event>
diff --git a/content/news/event-20150804-bsd.xml b/content/news/event-20150804-bsd.xml
index 5cb13b9ad..672f58919 100644
--- a/content/news/event-20150804-bsd.xml
+++ b/content/news/event-20150804-bsd.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE item SYSTEM "http://www.c3d2.de/dtd/c3d2web.dtd">
-<?xml-stylesheet type="text/xsl" href="../../xsl/html5.xsl" ?>
+<?xml-stylesheet type="text/xsl" href="../../xsl/xhtml5.xsl" ?>
 <item title="BSDienstag - Berkeley System Dienstag" date="2015-08-02T13:55:23" author="eri!, PwnyTail">
   <image title='Daemon Hammer'>../daemon_hammer_240x360.jpg</image>
   <event>
diff --git a/content/news/event-20150806-vorstandssitzung-bundesverband-bitcoin.xml b/content/news/event-20150806-vorstandssitzung-bundesverband-bitcoin.xml
index db027f27a..da443d14d 100644
--- a/content/news/event-20150806-vorstandssitzung-bundesverband-bitcoin.xml
+++ b/content/news/event-20150806-vorstandssitzung-bundesverband-bitcoin.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE item SYSTEM "http://www.c3d2.de/dtd/c3d2web.dtd">
-<?xml-stylesheet type="text/xsl" href="../../xsl/html5.xsl" ?>
+<?xml-stylesheet type="text/xsl" href="../../xsl/xhtml5.xsl" ?>
 <item title="Bundesverband Bitcoin" date="2015-07-23T23:42:05" author="vv01f">
 <image title="bitcoin">bitcoin.png</image>
 <event>
diff --git a/content/news/event-20151103-bsd.xml b/content/news/event-20151103-bsd.xml
index ba409440f..2f39553de 100644
--- a/content/news/event-20151103-bsd.xml
+++ b/content/news/event-20151103-bsd.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE item SYSTEM "http://www.c3d2.de/dtd/c3d2web.dtd">
-<?xml-stylesheet type="text/xsl" href="../../xsl/html5.xsl" ?>
+<?xml-stylesheet type="text/xsl" href="../../xsl/xhtml5.xsl" ?>
 <item title="BSDienstag - Berkeley System Dienstag" date="2015-11-02T23:10:23" author="eri!, PwnyTail">
   <image title='Daemon Hammer'>../daemon_hammer_240x360.jpg</image>
   <event>
diff --git a/content/news/event-20151201-bsd.xml b/content/news/event-20151201-bsd.xml
index e74dfcbff..c0eff0a41 100644
--- a/content/news/event-20151201-bsd.xml
+++ b/content/news/event-20151201-bsd.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE item SYSTEM "http://www.c3d2.de/dtd/c3d2web.dtd">
-<?xml-stylesheet type="text/xsl" href="../../xsl/html5.xsl" ?>
+<?xml-stylesheet type="text/xsl" href="../../xsl/xhtml5.xsl" ?>
 <item title="BSDienstag - Berkeley System Dienstag" date="2015-11-25T11:10:23" author="eri!, PwnyTail">
   <image title='Daemon Hammer'>../daemon_hammer_240x360.jpg</image>
   <event>
diff --git a/content/news/event-20160114-desktop-hacken.xml b/content/news/event-20160114-desktop-hacken.xml
index c38fe861d..93d3d0c4d 100644
--- a/content/news/event-20160114-desktop-hacken.xml
+++ b/content/news/event-20160114-desktop-hacken.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE item SYSTEM "http://www.c3d2.de/dtd/c3d2web.dtd">
-<?xml-stylesheet type="text/xsl" href="../../xsl/html5.xsl" ?>
+<?xml-stylesheet type="text/xsl" href="../../xsl/xhtml5.xsl" ?>
 <item title="./configure Assembly Tower" date="2016-01-13T20:42:23" author="koeart">
   <image title='Tower Assembly'>../hqdefault.jpg</image>
   <event>
diff --git a/content/news/event-20160301-bsd.xml b/content/news/event-20160301-bsd.xml
index 668e4f524..f861fd675 100644
--- a/content/news/event-20160301-bsd.xml
+++ b/content/news/event-20160301-bsd.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE item SYSTEM  "http://www.c3d2.de/dtd/c3d2web.dtd"
 [<!ENTITY nbsp "&#160;">]>
-<?xml-stylesheet type="text/xsl" href="../../xsl/html5.xsl" ?>
+<?xml-stylesheet type="text/xsl" href="../../xsl/xhtml5.xsl" ?>
 <item title="BSDienstag - Berkeley System Dienstag" date="2016-02-29T21:10:23" author="PwnyTail, vater">
     <image title='Daemon Hammer'>../daemon_hammer_240x360.jpg</image>
     <event>
diff --git a/content/news/event-20160405-bsd.xml b/content/news/event-20160405-bsd.xml
index fe6b51aec..c9df7234b 100644
--- a/content/news/event-20160405-bsd.xml
+++ b/content/news/event-20160405-bsd.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE item SYSTEM  "http://www.c3d2.de/dtd/c3d2web.dtd"
 [<!ENTITY nbsp "&#160;">]>
-<?xml-stylesheet type="text/xsl" href="../../xsl/html5.xsl" ?>
+<?xml-stylesheet type="text/xsl" href="../../xsl/xhtml5.xsl" ?>
 <item title="BSDienstag - Berkeley System Dienstag" date="2016-04-01T21:10:23" author="PwnyTail, vater">
     <image title='Daemon Hammer'>../daemon_hammer_240x360.jpg</image>
     <event>
diff --git a/content/news/event-20161007-12.das-ist-np.xml b/content/news/event-20161007-12.das-ist-np.xml
index a0487de64..3c3c680e7 100644
--- a/content/news/event-20161007-12.das-ist-np.xml
+++ b/content/news/event-20161007-12.das-ist-np.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE item SYSTEM  "http://www.c3d2.de/dtd/c3d2web.dtd"
 [<!ENTITY nbsp "&#160;">]>
-<?xml-stylesheet type="text/xsl" href="../../xsl/html5.xsl" ?>
+<?xml-stylesheet type="text/xsl" href="../../xsl/xhtml5.xsl" ?>
 <item title="Das ist Netzpolitik 2016: CfP und Tickets" date="2016-07-26T16:13:37" author="vv01f">
 	<image title="Fight for your digital rights!" class="right">./digitalrights.jpg</image>
 	<event>
diff --git a/content/news/event-20170404-bsd.xml b/content/news/event-20170404-bsd.xml
index b6139f7a9..825371e04 100644
--- a/content/news/event-20170404-bsd.xml
+++ b/content/news/event-20170404-bsd.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE item SYSTEM  "http://www.c3d2.de/dtd/c3d2web.dtd"
 [<!ENTITY nbsp "&#160;">]>
-<?xml-stylesheet type="text/xsl" href="../../xsl/html5.xsl" ?>
+<?xml-stylesheet type="text/xsl" href="../../xsl/xhtml5.xsl" ?>
 <item title="BSDienstag - Berkeley System Dienstag" date="2017-03-15T21:10:23" author="tboston, vater">
     <image title='Daemon Hammer'>../daemon_hammer_240x360.jpg</image>
     <event>
diff --git a/content/news/event-freifunk-20140810.xml b/content/news/event-freifunk-20140810.xml
index 72618ca0b..e098ea4dc 100644
--- a/content/news/event-freifunk-20140810.xml
+++ b/content/news/event-freifunk-20140810.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE item SYSTEM "http://www.c3d2.de/dtd/c3d2web.dtd">
-<?xml-stylesheet type="text/xsl" href="../../xsl/html5.xsl" ?>
+<?xml-stylesheet type="text/xsl" href="../../xsl/xhtml5.xsl" ?>
 <item title="Freifunk Treffen" date="2014-08-09T17:23:42" author="vv01f">
 	<image title="Freifunk Dresden">../dresden-freifunk.svg</image>
   <event>
diff --git a/content/news/knobguessinggame-20230622.xml b/content/news/knobguessinggame-20230622.xml
index 3b029a1fc..1cbeb28d5 100644
--- a/content/news/knobguessinggame-20230622.xml
+++ b/content/news/knobguessinggame-20230622.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE item SYSTEM "http://www.c3d2.de/dtd/c3d2web.dtd">
-<?xml-stylesheet type="text/xsl" href="../../xsl/html5.xsl" ?>
+<?xml-stylesheet type="text/xsl" href="../../xsl/xhtml5.xsl" ?>
 <item title="The Knobguessing Game" date="2023-06-25T20:00:00" author="eri!">
   <image title='The Knobguessing Game'>../knobguessinggame.jpg</image>
   <event>
diff --git a/content/news/telefon_defekt.xml b/content/news/telefon_defekt.xml
index c77559b25..cd19453ee 100644
--- a/content/news/telefon_defekt.xml
+++ b/content/news/telefon_defekt.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE item SYSTEM "http://www.c3d2.de/dtd/c3d2web.dtd">
-<?xml-stylesheet type="text/xsl" href="../../xsl/html5.xsl" ?>
+<?xml-stylesheet type="text/xsl" href="../../xsl/xhtml5.xsl" ?>
 <item title="Telefon defekt" date="2015-02-16T22:19:23" author="eri!">
     <image title='Telefon Defekt'>../TelefonVerbot.gif</image>
   <p>
diff --git a/content/news/telefon_defekt_update.xml b/content/news/telefon_defekt_update.xml
index ee800a814..18d9d7706 100644
--- a/content/news/telefon_defekt_update.xml
+++ b/content/news/telefon_defekt_update.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE item SYSTEM "http://www.c3d2.de/dtd/c3d2web.dtd">
-<?xml-stylesheet type="text/xsl" href="../../xsl/html5.xsl" ?>
+<?xml-stylesheet type="text/xsl" href="../../xsl/xhtml5.xsl" ?>
 <item title="Telefon funktioniert" date="2015-02-18T19:45:00" author="eri!">
     <image title='Telefon defekt'>../TelefonVerbot.gif</image>
   <p>