diff --git a/doc/cards.xsd b/doc/carddatabase_v3/cards.xsd
similarity index 98%
rename from doc/cards.xsd
rename to doc/carddatabase_v3/cards.xsd
index 89ae6eb9..c3e228b4 100644
--- a/doc/cards.xsd
+++ b/doc/carddatabase_v3/cards.xsd
@@ -70,7 +70,7 @@
-
+
diff --git a/doc/carddatabase_v4/cards.xsd b/doc/carddatabase_v4/cards.xsd
new file mode 100644
index 00000000..18f43e44
--- /dev/null
+++ b/doc/carddatabase_v4/cards.xsd
@@ -0,0 +1,78 @@
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+