From 9bc0be2978b9c87eaf111d93339378a9e3b5bbc9 Mon Sep 17 00:00:00 2001
From: Philipp Gesang <phg42.2a@gmail.com>
Date: Thu, 2 May 2013 22:05:22 +0200
Subject: accept node as argument for function ``get_user_whatsit_name``

---
 luatexbase-attr.dtx | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/luatexbase-attr.dtx b/luatexbase-attr.dtx
index 7c8f5b9..54c26f7 100644
--- a/luatexbase-attr.dtx
+++ b/luatexbase-attr.dtx
@@ -561,8 +561,14 @@ luatexbase.get_user_whatsit_id = get_user_whatsit_id
 %    the package identifier it was registered with.
 %
 %    \begin{macrocode}
---- int -> (string, string)
-local get_user_whatsit_name = function (id)
+--- int | node -> (string, string)
+local get_user_whatsit_name = function (asked)
+    local id
+    if type(asked) == "number" then
+        id = asked
+    else --- node
+        id = asked.user_id
+    end
     return tableunpack(whatsit_ids[id])
 end
 luatexbase.get_user_whatsit_name = get_user_whatsit_name
-- 
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