documentation: make the search test data diffable.

diff --git a/documentation/test_doxygen/js-test-data/.gitattributes b/documentation/test_doxygen/js-test-data/.gitattributes
new file mode 100644 (file)
index 0000000..51c4f07
--- /dev/null
+++ b/documentation/test_doxygen/js-test-data/.gitattributes
@@ -0,0 +1,10 @@
+# You have to add the following to your .git/config or global
+# ~/.gitconfig to make the binary diffs work (without the comment
+# character, of course):
+#
+# [diff "hex"]
+#     textconv = hexdump -v -C
+#     binary = true
+#
+
+*.bin binary diff=hex