refactor(xml): move InvalidStanza exception to Xml

1 files changed, 2 insertions, 0 deletions

diff --git a/lib/xml.ml b/lib/xml.ml
index 840aaf0..99a388f 100644
--- a/lib/xml.ml
+++ b/lib/xml.ml
@@ -1,5 +1,7 @@
 open Markup
 
+exception InvalidStanza of string
+
 type element = {
     namespace : string;
     local_name : string;