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diff --git a/doc/context/sources/general/manuals/luatex/luatex-nodes.tex b/doc/context/sources/general/manuals/luatex/luatex-nodes.tex
index ee60f6451..f4fd87119 100644
--- a/doc/context/sources/general/manuals/luatex/luatex-nodes.tex
+++ b/doc/context/sources/general/manuals/luatex/luatex-nodes.tex
@@ -35,6 +35,12 @@ You can ask for a list of fields with the \type {node.fields} (which takes an id
and for valid subtypes with \type {node.subtypes} (which takes a string because
eventually we might support more used enumerations).
+The \type {node.values} function reports some used values. Valid arguments are
+\type {dir}, \type {direction}, \type {glue}, \type {pdf_literal}, \type
+{pdf_action}, \type {pdf_window} and \type {color_stack}. Keep in mind that the
+setters normally expect a number, but this helper gives you a list of what
+numbers matter.
+
\subsection{Attributes}
The newly introduced attribute registers are non|-|trivial, because the value