diff --git a/.gitattributes b/.gitattributes
index 56a47af6077..dcfa0cc4b7c 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -1716,6 +1716,7 @@ Kernel_23/include/CGAL/internal/Projection_traits_3.h -text
 Kernel_23/test/Kernel_23/CMakeLists.txt -text
 Kernel_d/doc_tex/Kernel_d/hypercube.png -text
 Kernel_d/doc_tex/Kernel_d_ref/Kernel_Compute_coordinate_d.tex -text
+Kernel_d/doc_tex/Kernel_d_ref/Kernel_Less_coordinate_d.tex -text
 Kernel_d/include/CGAL/Kernel_d/Cartesian_const_iterator_d.h -text
 Kernel_d/test/Kernel_d/Linear_algebra-test.cmd eol=lf
 Kinetic_data_structures/demo/Kinetic_data_structures/data/after002 -text
diff --git a/Kernel_d/doc_tex/Kernel_d_ref/Kernel_Less_coordinate_d.tex b/Kernel_d/doc_tex/Kernel_d_ref/Kernel_Less_coordinate_d.tex
new file mode 100755
index 00000000000..b47f0e2b256
--- /dev/null
+++ b/Kernel_d/doc_tex/Kernel_d_ref/Kernel_Less_coordinate_d.tex
@@ -0,0 +1,13 @@
+\begin{ccRefFunctionObjectConcept}{Kernel::Less_coordinate_d}
+A model for this must provide:
+
+\ccCreationVariable{fo}
+
+\ccMemberFunction{ bool operator()(const Kernel::Point_d&
+  p,const Kernel::Point_d&
+  q, int i);} {returns \ccc{true} iff  the $i$th cartesian coordinate
+  of \ccc{p} is
+  smaller than  the $i$th cartesian coordinate of \ccc{q}.  \ccPrecond \ccc{p} and \ccc{q} have
+  the same dimension.}
+
+\end{ccRefFunctionObjectConcept}