diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 0000000..b634d85
--- /dev/null
+++ b/.gitattributes
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diff --git a/zhusu.pdf b/zhusu.pdf
new file mode 100644
index 0000000..0c9eb85
--- /dev/null
+++ b/zhusu.pdf
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