diff --git a/.gitattributes b/.gitattributes
index 018de9a7d31..4c0bf687c4c 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -65,6 +65,7 @@ Algebraic_kernel_d/test/Algebraic_kernel_d/makefile -text
 Alpha_shapes_2/demo/Alpha_shapes_2/alpha_shapes_2.vcproj eol=crlf
 Alpha_shapes_2/demo/Alpha_shapes_2/data/m30f.jpg -text svneol=unset#image/jpeg
 Alpha_shapes_2/demo/Alpha_shapes_2/help/index.html svneol=native#text/html
+Alpha_shapes_2/doc_tex/Alpha_shapes_2/alpha-detail.png -text
 Alpha_shapes_2/doc_tex/Alpha_shapes_2/alphashape.eps -text svneol=unset#application/postscript
 Alpha_shapes_2/doc_tex/Alpha_shapes_2/alphashape.gif -text svneol=unset#image/gif
 Alpha_shapes_2/doc_tex/Alpha_shapes_2/alphashape.pdf -text svneol=unset#application/pdf
diff --git a/Alpha_shapes_2/doc_tex/Alpha_shapes_2/alpha-detail.png b/Alpha_shapes_2/doc_tex/Alpha_shapes_2/alpha-detail.png
new file mode 100644
index 00000000000..e0d98601e7d
Binary files /dev/null and b/Alpha_shapes_2/doc_tex/Alpha_shapes_2/alpha-detail.png differ