Add links to XML files.

diff --git a/README b/README
index 82410446efd950462fa3b64da42eb8d0aa0cb81f..d436a0dd705e9f638293ba8cd93eea6834ef169d 100644 (file)
--- a/README
+++ b/README
@@ -122,6 +122,11 @@ Toastfreeware
 https://www.toastfreeware.priv.at/confclerk/
 
 
+XML "Specification":
+
+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
@@ -132,3 +137,8 @@ Tested pentabarf (or frab, or summit/wafer with patches) instances:
 - 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