记录文件中的一系列行

Created: November-22, 2018

$ git log -L 1,20:index.html
commit 6a57fde739de66293231f6204cbd8b2feca3a869
Author: John Doe <john@doe.com>
Date:   Tue Mar 22 16:33:42 2016 -0500

    commit message

diff --git a/index.html b/index.html
--- a/index.html
+++ b/index.html
@@ -1,17 +1,20 @@
 <!DOCTYPE HTML>
 <html>
-       <head>
-        <meta charset="utf-8">
+
+<head>
+    <meta charset="utf-8">
     <meta http-equiv="X-UA-Compatible" content="IE=edge">
     <meta name="viewport" content="width=device-width, initial-scale=1">