Set language code for translated language

weblate/trans/forms.py

@@ -42,6 +42,7 @@ class PluralTextarea(forms.Textarea):
         # Need to add extra class
         attrs['class'] = 'translation'
         attrs['tabindex'] = '100'
+        attrs['lang'] = lang.code
 
         # Handle single item translation
         if len(value) == 1:

weblate/trans/templatetags/translations.py

@@ -111,7 +111,7 @@ def fmttranslation(value, language = None, diff = None):
 
     value = '<hr />'.join(parts)
 
-    return mark_safe(value)
+    return mark_safe('<span lang="%s">%s</span>' % (language.code, value))
 
 @register.filter
 @stringfilter