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1 <h1 id="version">Manifest - Version</h1> | |
2 | |
3 <p> | |
4 One to four dot-separated integers | |
5 identifying the version of this extension. | |
6 A couple of rules apply to the integers: | |
7 they must be between 0 and 65535, inclusive, | |
8 and non-zero integers can't start with 0. | |
9 For example, 99999 and 032 are both invalid. | |
10 </p> | |
11 | |
12 <p> | |
13 Here are some examples of valid versions: | |
14 </p> | |
15 | |
16 <ul> | |
17 <li> <code>"version": "1"</code> </li> | |
18 <li> <code>"version": "1.0"</code> </li> | |
19 <li> <code>"version": "2.10.2"</code> </li> | |
20 <li> <code>"version": "3.1.2.4567"</code> </li> | |
21 </ul> | |
22 | |
23 <p> | |
24 The autoupdate system compares versions | |
25 to determine whether an installed extension | |
26 needs to be updated. | |
27 If the published extension has a newer version string | |
28 than the installed extension, | |
29 then the extension is automatically updated. | |
30 </p> | |
31 | |
32 <p> | |
33 The comparison starts with the leftmost integers. | |
34 If those integers are equal, | |
35 the integers to the right are compared, | |
36 and so on. | |
37 For example, 1.2.0 is a newer version than 1.1.9.9999. | |
38 </p> | |
39 | |
40 <p> | |
41 A missing integer is equal to zero. | |
42 For example, 1.1.9.9999 is newer than 1.1. | |
43 </p> | |
44 | |
45 <p> | |
46 For more information, see | |
47 <a href="http://developer.chrome.com/extensions/autoupdate.html">Autoupdating</a
>. | |
48 </p> | |
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