SHA1
--- a/first.txt
+++ b/first.txt
--- a/secret.txt
+++ b/secret.txt
@@ -1 +1,3 @@
 
				 Very secret file
			
 
				+123
			
 
				+
作者	SHA1 備註	提交日期
John Do	aeb498537e Merge branch 'master' into test	11 月之前
John Do	b8b42b48d9 very strange things	11 月之前
John Do	cba8356c80 added first	11 月之前