2016-03-31 09:10:00

3 files changed, 44 insertions, 1 deletions

diff --git a/doc/context/documents/general/manuals/luatex.pdf b/doc/context/documents/general/manuals/luatex.pdf
index 760995ea8..07bd03751 100644
--- a/doc/context/documents/general/manuals/luatex.pdf
+++ b/doc/context/documents/general/manuals/luatex.pdf
diff --git a/doc/context/sources/general/manuals/luatex/luatex-libraries.tex b/doc/context/sources/general/manuals/luatex/luatex-libraries.tex
index df81bcea4..93ea85118 100644
--- a/doc/context/sources/general/manuals/luatex/luatex-libraries.tex
+++ b/doc/context/sources/general/manuals/luatex/luatex-libraries.tex
@@ -4246,6 +4246,7 @@ This is an experimental function that will append a node list to \TEX's \quote
 either!
 
 \subsubsection{\type {node.protrusion_skippable}}
+
 \startfunctioncall
 <boolean> skippable = node.protrusion_skippable(<node> n)
 \stopfunctioncall
@@ -4253,6 +4254,45 @@ either!
 Returns \type {true} if, for the purpose of line boundary discovery when
 character protrusion is active, this node can be skipped.
 
+\subsection{Glue handling}
+
+\subsubsection{\type {node.setglue}}
+
+You can set the properties of a glue in one go. If you pass no values, the glue
+will become a zero glue.
+
+\startfunctioncall
+node.setglue(<node> n)
+node.setglue(<node> n,width,stretch,shrink,stretch_order,shrink_order)
+\stopfunctioncall
+
+When you pass values, only arguments that are numbers
+are assigned so
+
+\starttyping
+node.setglue(n,655360,false,65536)
+\stoptyping
+
+will only adapt the width and shrink.
+
+\subsubsection{\type {node.getglue}}
+
+The next call will return 5 values (or northing when no glue is passed).
+
+\startfunctioncall
+<integer> width, <integer> stretch, <integer> shrink, <integer> stretch_order,
+    <integer> shrink_order = node.getglue(<node> n)
+\stopfunctioncall
+
+\subsubsection{\type {node.is_zero_glue}}
+
+This function returns \type {true} when the width, stretch and shrink properties
+are zero.
+
+\startfunctioncall
+<boolean> isglue = node.is_zero_glue(<node> n)
+\stopfunctioncall
+
 \subsection{Attribute handling}
 
 Attributes appear as linked list of userdata objects in the \type {attr} field of
diff --git a/doc/context/sources/general/manuals/luatex/luatex-nodes.tex b/doc/context/sources/general/manuals/luatex/luatex-nodes.tex
index a48e2f267..e77590369 100644
--- a/doc/context/sources/general/manuals/luatex/luatex-nodes.tex
+++ b/doc/context/sources/general/manuals/luatex/luatex-nodes.tex
@@ -1225,7 +1225,7 @@ summarized this:
 
 \starttabulate[|T|c|c|]
 \HL
-\NC \bf function                \NC \bf node \NC \bf direct \NC \NR
+\NC \bf function                 \NC \bf node \NC \bf direct \NC \NR
 \HL
 \NC \type {copy_list}            \NC \yes \NC \yes  \NC \NR
 \NC \type {copy}                 \NC \yes \NC \yes  \NC \NR
@@ -1305,6 +1305,9 @@ summarized this:
 \NC \type {whatsits}             \NC \yes \NC \nop  \NC \NR
 \NC \type {whatsitsubtypes}      \NC \yes \NC \nop  \NC \NR
 \NC \type {write}                \NC \yes \NC \yes  \NC \NR
+\NC \type {setglue}              \NC \yes \NC \yes  \NC \NR
+\NC \type {getglue}              \NC \yes \NC \yes  \NC \NR
+\NC \type {glue_is_zero}         \NC \yes \NC \yes  \NC \NR
 \stoptabulate
 
 \stop