Add note that XML Schema validation is not supported

requested by Andrew Lardinois

diff --git a/doc/src/sgml/datatype.sgml b/doc/src/sgml/datatype.sgml
index 52d3069a83bce2258431e9e7f69b3235366d07ea..0ad4fd7567de77f849e363746d19eaaddcc48356 100644 (file)
--- a/doc/src/sgml/datatype.sgml
+++ b/doc/src/sgml/datatype.sgml
@@ -1,4 +1,4 @@
-
+
 
  
   Data Types
@@ -3947,6 +3947,8 @@ xml 'bar'
     against a document type declaration
     (DTD),DTD
     even when the input value specifies a DTD.
+    There is also currently no built-in support for validating against
+    other XML schema languages such as XML Schema.