Document restrictions on integers in the version.

chrome/common/extensions/docs/manifest.html

Index: chrome/common/extensions/docs/manifest.html
===================================================================
--- chrome/common/extensions/docs/manifest.html	(revision 31304)
+++ chrome/common/extensions/docs/manifest.html	(working copy)
@@ -122,6 +122,7 @@
                   <li><a href="background_pages.html">Background Pages</a></li>
                   <li><a href="content_scripts.html">Content Scripts</a></li>
                   <li><a href="xhr.html">Cross-Origin XHR</a></li>
+                  <li><a href="messaging.html">Message Passing</a></li>
                   <li><a href="npapi.html">NPAPI Plugins</a></li>
                 </ul>
               </li>
@@ -368,9 +369,16 @@
 <p>
 One to four dot-separated integers
 identifying the version of this extension.
-Examples:
+A couple of rules apply to the integers:
+they must be between 0 and 65535, inclusive,
+and non-zero integers can't start with 0.
+For example, 99999 and 032 are both invalid.
 </p>
 
+<p>
+Here are some examples of valid versions:
+</p>
+
 <ul>
   <li> <code>"version": "1"</code> </li>
   <li> <code>"version": "1.0"</code> </li>
@@ -392,12 +400,12 @@
 If those integers are equal,
 the integers to the right are compared,
 and so on.
-For example, 1.2.0 is a newer version than 1.1.9.99999.
+For example, 1.2.0 is a newer version than 1.1.9.9999.
 </p>
 
 <p>
 A missing integer is equal to zero.
-For example, 1.1.9.99999 is newer than 1.1.
+For example, 1.1.9.9999 is newer than 1.1.
 </p>
 
 <p>