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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 22358ff3f..d3c2c06da 100644
--- a/doc/context/sources/general/manuals/luatex/luatex-nodes.tex
+++ b/doc/context/sources/general/manuals/luatex/luatex-nodes.tex
@@ -1709,6 +1709,13 @@ tail node.
node.slide(<node> n)
\stopfunctioncall
+After some callbacks automatic sliding takes place. This feature can be turned
+off with \type {node.fix_node_lists(false)} but you better make sure then that
+you don't mess up lists. In most cases \TEX\ itself only uses \type {next}
+pointers but your other callbacks might expect proper \type {prev} pointers too.
+Future versions of \LUATEX\ can add more checking but this will not influence
+usage.
+
\subsubsection{\type {node.check_discretionary} and \type {node.check_discretionaries}}
When you fool around with disc nodes you need to be aware of the fact that they