XML: support list of objects

1 files changed, 3 insertions, 0 deletions

diff --git a/doc/disfluid.texi b/doc/disfluid.texi
index 06af9e4..9e0f3fa 100644
--- a/doc/disfluid.texi
+++ b/doc/disfluid.texi
@@ -1860,6 +1860,9 @@ if a slot should contain an URI value, you would pass @code{#:->sxml
 uri->string} as options to the slot definition, and accept a string
 value in the initialization function, that you would convert to an URI
 with @code{string->uri}.
+
+Sometimes slots contain functional data that cannot be serialized. In
+this case, pass @code{#:->sxml 'ignore} to avoid serialization.
 @end deftp
 
 @deffn {function} read/xml @var{port}