Update URLs of tested instances in README.

Remove 404 URLs, use latest conferences.

diff --git a/README b/README
index 76b1a7312f7971b9e619fad0cd7376006eadb59b..4ca7dc61df0caa6f871279315a1eecf45a491bd2 100644 (file)
--- a/README
+++ b/README
@@ -129,16 +129,10 @@ https://github.com/voc/schedule/blob/master/validator/xsd/schedule.xml.xsd
 
 Tested pentabarf (or frab, or summit/wafer with patches) instances:
 
-- 33C3: https://fahrplan.events.ccc.de/congress/2016/Fahrplan/schedule.xml
-- DebConf (2013, pentbarf): https://penta.debconf.org/dc13_schedule/schedule.en.xml
-- DebConf (2014, summit): https://summit.debconf.org/debconf14.xml
+- 36C3: https://fahrplan.events.ccc.de/congress/2019/Fahrplan/schedule.xml
+- RC3: https://fahrplan.events.ccc.de/rc3/2020/Fahrplan/schedule.xml
 - DebConf (2015, summit): https://summit.debconf.org/debconf15.xml
-- DebConf (2016, wafer): https://debconf16.debconf.org/schedule/pentabarf.xml
+- DebConf (2021, wafer): https://debconf21.debconf.org/schedule/pentabarf.xml
 - FOSDEM: https://fosdem.org/schedule/xml
-- FrOSCon (2016): https://programm.froscon.org/2016/schedule.xml
-- Grazer Linuxtage (2016): https://glt16-programm.linuxtage.at/schedule.xml
-- RC3: https://fahrplan.events.ccc.de/rc3/2020/Fahrplan/
-- Fosdem (2021): https://fosdem.org/2021/schedule/xml
-- Froscon (2020): https://programm.froscon.de/2020/
-- Debconf (2020): https://debconf20.debconf.org/schedule/pentabarf.xml
-- Debconf (2021) Testserver: https://wafertest.debconf.org/schedule/pentabarf.xml
+- FrOSCon (2020): https://programm.froscon.org/2020/schedule.xml
+- Grazer Linuxtage (2018): https://glt18-programm.linuxtage.at/schedule.xml