debugging rsvp-submit.php

layouts/_default/wedding.html

@@ -146,7 +146,10 @@ body {
     <p>{{ i18n "rsvp_email" }}: {{ partial "obfuscate_email.html" . }}</p>
   {{ end }}
 
-  <form action="/rsvp-submit.php" method="POST">
+<form action="/rsvp-submit.php" method="POST">
+
+  <!-- Current Hugo language -->
+  <input type="hidden" name="lang" value="{{ .Site.Language.Lang }}">
 
   <!-- Personal Information -->