encoding/xml: document new chardata tag
Followup to CL 16047.
For #12963.
Change-Id: I596cd5109b25a4079b966427411860fde8b9b54a
Reviewed-on: https://go-review.googlesource.com/17232
Reviewed-by: David Crawshaw <crawshaw@golang.org>
diff --git a/src/encoding/xml/marshal.go b/src/encoding/xml/marshal.go
index f908ccb..8ebd693 100644
--- a/src/encoding/xml/marshal.go
+++ b/src/encoding/xml/marshal.go
@@ -48,6 +48,8 @@
// field name in the XML element.
// - a field with tag ",chardata" is written as character data,
// not as an XML element.
+// - a field with tag ",cdata" is written as character data
+// wrapped in one or more <![CDATA[ ... ]]> tags, not as an XML element.
// - a field with tag ",innerxml" is written verbatim, not subject
// to the usual marshalling procedure.
// - a field with tag ",comment" is written as an XML comment, not
