add header ref to the validation page

docs/docs/api_overview.md

@@ -361,6 +361,8 @@ value, the message will never recieve special formatting.
 
 
 
+See also [the Input Validation page](validation.md).
+
 Requires the arguments `key` and `value`. Returns an object
 with information about the database sanity criteria for
 key. This can be used to validate user input in the client

docs/site/api_overview/index.html

@@ -431,6 +431,7 @@ value, the message will never recieve special formatting.</p>
 <p><strong>OPTIONAL: error</strong>: boolean: when <code>true</code>, will return an API error response instead of a special object.</p>
 </li>
 </ul>
+<p>See also <a href="../validation/">the Input Validation page</a>.</p>
 <p>Requires the arguments <code>key</code> and <code>value</code>. Returns an object
 with information about the database sanity criteria for
 key. This can be used to validate user input in the client

docs/site/index.html

@@ -149,5 +149,5 @@ It is fully documented on this site (though the verbage is still being revised f
 
 <!--
 MkDocs version : 0.16.3
-Build Date UTC : 2017-09-03 05:07:47
+Build Date UTC : 2017-09-03 05:27:34
 -->

server.py

@@ -601,6 +601,8 @@ class API(object):
     @api_method
     def db_validate(self, args, database, user, **kwargs):
         """
+        See also [the Input Validation page](validation.md).
+
         Requires the arguments `key` and `value`. Returns an object
         with information about the database sanity criteria for
         key. This can be used to validate user input in the client