doc refactor: querystring

doc/api/querystring.markdown

@@ -1,9 +1,11 @@
-## Query String
+# Query String
+
+<!--name=querystring-->
 
 This module provides utilities for dealing with query strings.
 It provides the following methods:
 
-### querystring.stringify(obj, [sep], [eq])
+## querystring.stringify(obj, [sep], [eq])
 
 Serialize an object to a query string.
 Optionally override the default separator (`'&'`) and assignment (`'='`)
@@ -19,7 +21,7 @@ Example:
     // returns
     'foo:bar;baz:qux'
 
-### querystring.parse(str, [sep], [eq], [options])
+## querystring.parse(str, [sep], [eq], [options])
 
 Deserialize a query string to an object.
 Optionally override the default separator (`'&'`) and assignment (`'='`)
@@ -34,12 +36,12 @@ Example:
     // returns
     { foo: 'bar', baz: ['qux', 'quux'], corge: '' }
 
-### querystring.escape
+## querystring.escape
 
 The escape function used by `querystring.stringify`,
 provided so that it could be overridden if necessary.
 
-### querystring.unescape
+## querystring.unescape
 
 The unescape function used by `querystring.parse`,
 provided so that it could be overridden if necessary.