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-rw-r--r--doc/context/sources/general/manuals/luatex/luatex-nodes.tex6
1 files changed, 5 insertions, 1 deletions
diff --git a/doc/context/sources/general/manuals/luatex/luatex-nodes.tex b/doc/context/sources/general/manuals/luatex/luatex-nodes.tex
index 21f1789e5..22358ff3f 100644
--- a/doc/context/sources/general/manuals/luatex/luatex-nodes.tex
+++ b/doc/context/sources/general/manuals/luatex/luatex-nodes.tex
@@ -301,11 +301,15 @@ a \type {userskip} with subtype zero).
\starttabulate[|lT|l|p|]
\NC \rmbf field \NC \bf type \NC \bf explanation \NC \NR
-\NC subtype \NC number \NC not used \NC \NR
+\NC subtype \NC number \NC \showsubtypes{penalty} \NC \NR
\NC attr \NC node \NC list of attributes \NC \NR
\NC penalty \NC number \NC the penalty value \NC \NR
\stoptabulate
+The subtypes are just informative and \TEX\ itself doesn't use them. When you
+run into an \type {linebreakpenalty} you need to keep in mind that it's a
+accumulation of \type {club}, \type{widow} and other relevant penalties.
+
\subsubsection[glyphnodes]{glyph nodes}
\starttabulate[|lT|l|p|]